3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-09-08T14:22:13Z

<?php

$xpathStr = <<< STR
//node[@cat="top" and node[@rel="--" and @cat="smain" and node[@rel="su" and @pt="vnw" and @word="Dit" and @lemma="dit" and number(@begin) < ../node[@rel="hd" and @pt="ww" and @lemma="zijn"]/number(@begin)] and node[@rel="hd" and @pt="ww" and @lemma="zijn" and number(@begin) < ../node[@rel="predc" and @cat="np"]/node[@rel="det" and @pt="lid" and @word="een" and @cs="no" and @lemma="een"]/number(@begin)] and node[@rel="predc" and @cat="np" and node[@rel="det" and @pt="lid" and @word="een" and @cs="no" and @lemma="een" and number(@begin) < ../node[@rel="hd" and @pt="n" and @cs="no" and @lemma="zin"]/number(@begin)] and node[@rel="hd" and @pt="n" and @cs="no" and @lemma="zin" and number(@begin) < ../../../node[@rel="--" and @pt="let"]/number(@begin)]]] and node[@rel="--" and @pt="let"]]
STR;

echo preg_replace_callback('~node\[(?:[^[]+(?=\]|node))~', function($match) {
	if (strpos($match[0], '@cs="no"') !== false) {
		return preg_replace(
			['/@(lemma|word)/', '/\s*and\s*@cs="no"/'],
			['lower-case(@$1)', ''],
			$match[0]
		);
	}
	return $match[0];
}, $xpathStr);

Output for git.master, git.master_jit, rfc.property-hooks: //node[@cat="top" and node[@rel="--" and @cat="smain" and node[@rel="su" and @pt="vnw" and @word="Dit" and @lemma="dit" and number(@begin) < ../node[@rel="hd" and @pt="ww" and @lemma="zijn"]/number(@begin)] and node[@rel="hd" and @pt="ww" and @lemma="zijn" and number(@begin) < ../node[@rel="predc" and @cat="np"]/node[@rel="det" and @pt="lid" and lower-case(@word)="een" and lower-case(@lemma)="een"]/number(@begin)] and node[@rel="predc" and @cat="np" and node[@rel="det" and @pt="lid" and lower-case(@word)="een" and lower-case(@lemma)="een" and number(@begin) < ../node[@rel="hd" and @pt="n" and lower-case(@lemma)="zin"]/number(@begin)] and node[@rel="hd" and @pt="n" and lower-case(@lemma)="zin" and number(@begin) < ../../../node[@rel="--" and @pt="let"]/number(@begin)]]] and node[@rel="--" and @pt="let"]]

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive previewkey bindings

31.32 ms | 407 KiB | 5 Q