3v4l.org

run code in 300+ PHP versions simultaneously
<?php $original_array = Array( '53_0.1', '53_0.3', '54_0.2', '54_0.1', '54_0.1', '54_0.19', '56_0.19', '56_0.50' ); foreach ($original_array as $v) { $result[strstr($v, "_", true)] = $v; } var_export(array_values($result));
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => '53_0.3', 1 => '54_0.19', 2 => '56_0.50', )
preferences:
133.59 ms | 407 KiB | 5 Q