3v4l.org

run code in 300+ PHP versions simultaneously
<?php // pcre $someEmoji = '@^[\u{1F602}-\u{1F64F}]+$@u'; var_dump(preg_match($someEmoji, "\u{1F602}")); // php $someEmoji = "@^[\u{1F602}-\u{1F64F}]+$@u"; var_dump(preg_match($someEmoji, "\u{1F602}"));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Warning: preg_match(): Compilation failed: PCRE2 does not support \F, \L, \l, \N{name}, \U, or \u at offset 4 in /in/pCUrf on line 5 bool(false) int(1)
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_match(): Compilation failed: range out of order in character class at offset 13 in /in/pCUrf on line 5 bool(false) int(1)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 3 in /in/pCUrf on line 5 bool(false) int(1)
preferences:
135.84 ms | 409 KiB | 5 Q