3v4l.org

run code in 300+ PHP versions simultaneously
<?php function startsWith($haystack, $needle) { return strncmp($haystack, $needle, strlen($needle)) === 0; } function endsWith($haystack, $needle) { return $needle === '' || substr_compare($haystack, $needle, -strlen($needle)) === 0; } var_dump(startsWith('', '')); var_dump(startsWith('', 'foo')); var_dump(startsWith('foo', '')); var_dump(endsWith('', '')); var_dump(endsWith('', 'foo')); var_dump(endsWith('foo', ''));
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2, 5.1.5 - 5.1.6, 5.2.0 - 5.2.17, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) bool(false) bool(true) bool(true) bool(false) bool(true)
Output for 5.1.3 - 5.1.4, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6
bool(true) bool(false) bool(true) bool(true) Warning: substr_compare(): The start position cannot exceed initial string length in /in/HgEcd on line 9 bool(false) bool(true)
Output for 4.4.5 - 4.4.9
bool(true) bool(false) bool(true) bool(true) Fatal error: Call to undefined function: substr_compare() in /in/HgEcd on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
bool(true) bool(false) bool(true) bool(true) Fatal error: Call to undefined function: substr_compare() in /in/HgEcd on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
bool(true) bool(false) bool(true) bool(true) Fatal error: Call to undefined function: substr_compare() in /in/HgEcd on line 9

preferences:
246.68 ms | 402 KiB | 311 Q