A handful of useful helper functions to process data
Home Page: http://battis.github.io/data-utilities/
License: GNU General Public License v3.0
data-utilities/src/DataUtilities.php
Line 78 in 0907e80
/* add a space after each piece of punctuation */
$title = preg_replace('/([^a-z0-9])\s*/i', '$1 ', strtolower($title));
// TODO smart em- and en-dashes
// TODO superscripts for 1st, 2nd, 3rd
/* Split the string into separate words */
$words = preg_split('/[' . implode('', $spaceEquivalents) . ']+/', $title, -1, PREG_SPLIT_NO_EMPTY);
Line 210 in 74d4262
case "S":
case "X":
case "Z":
return "{$singular}ES"; // TODO dry out this code somehow
case "y":
if (self::isVowel(substr($singular, -2, 1))) {
return "{$singular}s";
}
return substr($singular, 0, strlen($singular) - 1) . "ies";
case "Y":
if (self::isVowel(substr($singular, -2, 1))) {
return "{$singular}S";
}
return substr($singular, 0, strlen($singular) - 1) . "IES";
default:
switch (substr($singular, -2)) {Probably shouldn't be all loud in the PHP error log about these server variables when they're not present.
use ReflectionClass;
// TODO does DIRECTORY_SEPARATOR need to be escaped in regex?
trait FixturePath
{
private ?string $_fixturePath = null;data-utilities/src/DataUtilities.php
Line 77 in 0907e80
/* add a space after each piece of punctuation */
$title = preg_replace('/([^a-z0-9])\s*/i', '$1 ', strtolower($title));
// TODO smart em- and en-dashes
// TODO superscripts for 1st, 2nd, 3rd
/* Split the string into separate words */
$words = preg_split('/[' . implode('', $spaceEquivalents) . ']+/', $title, -1, PREG_SPLIT_NO_EMPTY);
Allow blank lines, maybe even incorrect line breaks. Per this issue.
Line 57 in f3ac7e7
<?php
namespace Battis\DataUtilities;
use Battis\Hydratable\Hydrate;
class Text
{
/**
* Converts $title to Title Case, and returns the result
*
* @param string $title
* @param array $params An associative array of additional special cases,
* e.g. (with any subset of the keys below)
* ```
* [
* 'lowerCaseWords' => ['foo', 'bar'],
* 'allCapsWords' => ['BAZ'],
* 'camelCaseWords' => ['foobarbaz' => 'fooBarBaz'],
* 'spaceEquivalents' => ['\t']
* ]
* ```
*
* @return string
*
* @see http://www.sitepoint.com/title-case-in-php/ SitePoint
**/
public static function titleCase($title, $params = [])
{
$hydrate = new Hydrate();
/*
* Our array of 'small words' which shouldn't be capitalized if they
* aren't the first word. Add your own words to taste.
*/
$lowerCaseWords = $hydrate($params['lowerCaseWords'],[
'of','a','the','and','an','or','nor','but','is','if','then','else',
'when','at','from','by','on','off','for','in','out','over','to',
'into','with'
]);
$allCapsWords = $hydrate($params['allCapsWords'], [
'i', 'ii', 'iii', 'iv', 'v', 'vi', 'sis', 'csv', 'php', 'html',
'lti'
]);
$camelCaseWords = $hydrate($params['camelCaseWords'], [
'github' => 'GitHub'
]);
$spaceEquivalents = $hydrate($params['spaceEquivalents'], [
'\s', '_'
]);
/* add a space after each piece of punctuation */
$title = preg_replace('/([^a-z0-9])\s*/i', '$1 ', strtolower($title));
// TODO smart em- and en-dashes
// TODO superscripts for 1st, 2nd, 3rd
/* Split the string into separate words */
$words = preg_split('/[' . implode('', $spaceEquivalents) . ']+/', $title, -1, PREG_SPLIT_NO_EMPTY);
foreach ($words as $key => $word) {
if (in_array($word, $allCapsWords)) {
$words[$key] = strtoupper($word);
} elseif (array_key_exists($word, $camelCaseWords)) {
$words[$key] = $camelCaseWords[$word];
} elseif ($key == 0 or !in_array($word, $lowerCaseWords)) {
$words[$key] = ucwords($word);
}
}
/* Join the words back into a string */
$newtitle = implode(' ', $words);
return $newtitle;
}
/**
* What portion of string `$a` and `$b` overlaps?
*
* For example if `$a` is `'abcdefg`` and `$b` is `'fgjkli'`, the overlapping
* portion would be `'fg'`.
*
* @param string $a
* @param string $b
* @param boolean $swap Attempt to swap `$a` and `$b` to find overlap. (default: `true`)
* @return string Overlapping portion of `$a` and `$b`, `''` if no overlap
*/
public static function overlap($a, $b, $swap = true)
{
if (!is_string($a) || !is_string($b)) {
return '';
}
for ($i = 0; $i < strlen($a); $i++) {
$overlap = true;
for ($j = 0; $j < strlen($b) && $i + $j < strlen($a); $j++) {
if ($a[$i+$j] !== $b[$j]) {
$overlap = false;
break;
}
}
if ($overlap) {
return substr($a, $i, $j);
}
}
if ($swap) {
return static::overlap($b, $a, false);
}
return '';
}
public static function snake_case_to_PascalCase(string $snake_case): string
{
return join(
array_map(
fn($token) => strtoupper(substr($token, 0, 1)) .
substr($token, 1),
explode("_", $snake_case)
)
);
}
public static function camelCase_to_snake_case(string $camelCase): string
{
$snake_case = $camelCase;
foreach (
[
"/([^0-9])([0-9])/", // separate numeric phrases
"/([A-Z])([A-Z][a-z])/", // separate trailing word from acronym
"/([^A-Z])([A-Z])/", // separate end of word from trailing word,
"/([^_])_+([^_])/", // minimize underscores
]
as $regexp
) {
$snake_case = preg_replace($regexp, "$1_$2", $snake_case);
}
return strtolower($snake_case);
}
public static function pluralize(string $singular): string
{
switch (substr($singular, -1)) {
case "s":
case "x":
case "z":
return "{$singular}es";
case "S":
case "X":
case "Z":
return "{$singular}ES";
case "y":
return substr($singular, 0, strlen($singular) - 1) . "ies";
case "Y":
return substr($singular, 0, strlen($singular) - 1) . "IES";
default:
switch (substr($singular, -2)) {
case "sh":
case "Sh":
case "ch":
case "Ch":
return "{$singular}es";
case "SH":
case "sH":
case "CH":
case "cH":
return "{$singular}ES";
default:
if (
substr($singular, -1) ===
strtolower(substr($singular, -1))
) {
return "{$singular}s";
} else {
return "{$singular}S";
}
}
}
}
}"/([A-Z])([A-Z][a-z])/", // separate trailing word from acronym
"/([^A-Z])([A-Z])/", // separate end of word from trailing word,
"/([^_])_+([^_])/", // minimize underscores
Line 58 in f3ac7e7
<?php
namespace Battis\DataUtilities;
use Battis\Hydratable\Hydrate;
class Text
{
/**
* Converts $title to Title Case, and returns the result
*
* @param string $title
* @param array $params An associative array of additional special cases,
* e.g. (with any subset of the keys below)
* ```
* [
* 'lowerCaseWords' => ['foo', 'bar'],
* 'allCapsWords' => ['BAZ'],
* 'camelCaseWords' => ['foobarbaz' => 'fooBarBaz'],
* 'spaceEquivalents' => ['\t']
* ]
* ```
*
* @return string
*
* @see http://www.sitepoint.com/title-case-in-php/ SitePoint
**/
public static function titleCase($title, $params = [])
{
$hydrate = new Hydrate();
/*
* Our array of 'small words' which shouldn't be capitalized if they
* aren't the first word. Add your own words to taste.
*/
$lowerCaseWords = $hydrate($params['lowerCaseWords'],[
'of','a','the','and','an','or','nor','but','is','if','then','else',
'when','at','from','by','on','off','for','in','out','over','to',
'into','with'
]);
$allCapsWords = $hydrate($params['allCapsWords'], [
'i', 'ii', 'iii', 'iv', 'v', 'vi', 'sis', 'csv', 'php', 'html',
'lti'
]);
$camelCaseWords = $hydrate($params['camelCaseWords'], [
'github' => 'GitHub'
]);
$spaceEquivalents = $hydrate($params['spaceEquivalents'], [
'\s', '_'
]);
/* add a space after each piece of punctuation */
$title = preg_replace('/([^a-z0-9])\s*/i', '$1 ', strtolower($title));
// TODO smart em- and en-dashes
// TODO superscripts for 1st, 2nd, 3rd
/* Split the string into separate words */
$words = preg_split('/[' . implode('', $spaceEquivalents) . ']+/', $title, -1, PREG_SPLIT_NO_EMPTY);
foreach ($words as $key => $word) {
if (in_array($word, $allCapsWords)) {
$words[$key] = strtoupper($word);
} elseif (array_key_exists($word, $camelCaseWords)) {
$words[$key] = $camelCaseWords[$word];
} elseif ($key == 0 or !in_array($word, $lowerCaseWords)) {
$words[$key] = ucwords($word);
}
}
/* Join the words back into a string */
$newtitle = implode(' ', $words);
return $newtitle;
}
/**
* What portion of string `$a` and `$b` overlaps?
*
* For example if `$a` is `'abcdefg`` and `$b` is `'fgjkli'`, the overlapping
* portion would be `'fg'`.
*
* @param string $a
* @param string $b
* @param boolean $swap Attempt to swap `$a` and `$b` to find overlap. (default: `true`)
* @return string Overlapping portion of `$a` and `$b`, `''` if no overlap
*/
public static function overlap($a, $b, $swap = true)
{
if (!is_string($a) || !is_string($b)) {
return '';
}
for ($i = 0; $i < strlen($a); $i++) {
$overlap = true;
for ($j = 0; $j < strlen($b) && $i + $j < strlen($a); $j++) {
if ($a[$i+$j] !== $b[$j]) {
$overlap = false;
break;
}
}
if ($overlap) {
return substr($a, $i, $j);
}
}
if ($swap) {
return static::overlap($b, $a, false);
}
return '';
}
public static function snake_case_to_PascalCase(string $snake_case): string
{
return join(
array_map(
fn($token) => strtoupper(substr($token, 0, 1)) .
substr($token, 1),
explode("_", $snake_case)
)
);
}
public static function camelCase_to_snake_case(string $camelCase): string
{
$snake_case = $camelCase;
foreach (
[
"/([^0-9])([0-9])/", // separate numeric phrases
"/([A-Z])([A-Z][a-z])/", // separate trailing word from acronym
"/([^A-Z])([A-Z])/", // separate end of word from trailing word,
"/([^_])_+([^_])/", // minimize underscores
]
as $regexp
) {
$snake_case = preg_replace($regexp, "$1_$2", $snake_case);
}
return strtolower($snake_case);
}
public static function pluralize(string $singular): string
{
switch (substr($singular, -1)) {
case "s":
case "x":
case "z":
return "{$singular}es";
case "S":
case "X":
case "Z":
return "{$singular}ES";
case "y":
return substr($singular, 0, strlen($singular) - 1) . "ies";
case "Y":
return substr($singular, 0, strlen($singular) - 1) . "IES";
default:
switch (substr($singular, -2)) {
case "sh":
case "Sh":
case "ch":
case "Ch":
return "{$singular}es";
case "SH":
case "sH":
case "CH":
case "cH":
return "{$singular}ES";
default:
if (
substr($singular, -1) ===
strtolower(substr($singular, -1))
) {
return "{$singular}s";
} else {
return "{$singular}S";
}
}
}
}
}
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