3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "PHP [gallery-1]. [gallery-2]"; if (preg_match_all("/\b[gallery-\b/i", $text, $matches, PREG_OFFSET_CAPTURE)) { print_r($matches); $position = $matches[0][0][1]; } else { echo "A match was not found."; }
Output for 4.4.0 - 4.4.9, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: preg_match_all(): Compilation failed: range out of order in character class at offset 12 in /in/OnZLi on line 5 A match was not found.
Output for 4.3.11, 5.0.0 - 5.0.4
Warning: preg_match_all(): Compilation failed: missing terminating ] for character class at offset 13 in /in/OnZLi on line 5 A match was not found.
Output for 4.3.3 - 4.3.10
Warning: Compilation failed: missing terminating ] for character class at offset 13 in /in/OnZLi on line 5 A match was not found.
Output for 4.3.0 - 4.3.2
Warning: Wrong value for parameter 4 in call to preg_match_all() in /in/OnZLi on line 5 A match was not found.
preferences:
296.24 ms | 401 KiB | 378 Q