3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s1 = 'natujeszczak'; $s2 = 'piekierski'; echo similar_text($s1, $s2), PHP_EOL, similar_text($s2, $s1), PHP_EOL, PHP_VERSION;
based on Q75P8
Output for 7.2.8
3 2 7.2.8
Output for 7.2.6
3 2 7.2.6
Output for 7.2.0
3 2 7.2.0
Output for 7.1.20
3 2 7.1.20
Output for 7.1.10
3 2 7.1.10
Output for 7.1.7
3 2 7.1.7
Output for 7.1.6
3 2 7.1.6
Output for 7.1.5
3 2 7.1.5
Output for 7.1.0
3 2 7.1.0
Output for 7.0.20
3 2 7.0.20
Output for 7.0.14
3 2 7.0.14
Output for 7.0.6
3 2 7.0.6
Output for 7.0.5
3 2 7.0.5
Output for 7.0.4
3 2 7.0.4
Output for 7.0.3
3 2 7.0.3
Output for 7.0.2
3 2 7.0.2
Output for 7.0.1
3 2 7.0.1
Output for 7.0.0
3 2 7.0.0
Output for 5.6.28
3 2 5.6.28
Output for 5.6.21
3 2 5.6.21
Output for 5.6.20
3 2 5.6.20
Output for 5.6.19
3 2 5.6.19
Output for 5.6.18
3 2 5.6.18
Output for 5.6.17
3 2 5.6.17
Output for 5.6.16
3 2 5.6.16
Output for 5.6.15
3 2 5.6.15
Output for 5.6.14
3 2 5.6.14
Output for 5.6.13
3 2 5.6.13
Output for 5.6.12
3 2 5.6.12
Output for 5.6.11
3 2 5.6.11
Output for 5.6.10
3 2 5.6.10
Output for 5.6.9
3 2 5.6.9
Output for 5.6.8
3 2 5.6.8
Output for 5.5.35
3 2 5.5.35
Output for 5.5.34
3 2 5.5.34
Output for 5.5.33
3 2 5.5.33
Output for 5.5.32
3 2 5.5.32
Output for 5.5.31
3 2 5.5.31
Output for 5.5.30
3 2 5.5.30
Output for 5.5.29
3 2 5.5.29
Output for 5.5.28
3 2 5.5.28
Output for 5.5.27
3 2 5.5.27
Output for 5.5.26
3 2 5.5.26
Output for 5.5.25
3 2 5.5.25
Output for 5.5.24
3 2 5.5.24
Output for 5.4.45
3 2 5.4.45
Output for 5.4.44
3 2 5.4.44
Output for 5.4.43
3 2 5.4.43
Output for 5.4.42
3 2 5.4.42
Output for 5.4.41
3 2 5.4.41
Output for 5.4.40
3 2 5.4.40
Output for 5.4.39
3 2 5.4.39
Output for 5.4.38
3 2 5.4.38
Output for 5.4.37
3 2 5.4.37
Output for 5.4.36
3 2 5.4.36
Output for 5.4.35
3 2 5.4.35
Output for 5.4.34
3 2 5.4.34
Output for 5.4.32
3 2 5.4.32
Output for 5.4.31
3 2 5.4.31
Output for 5.4.30
3 2 5.4.30
Output for 5.4.29
3 2 5.4.29
Output for 5.4.28
3 2 5.4.28
Output for 5.4.27
3 2 5.4.27
Output for 5.4.26
3 2 5.4.26
Output for 5.4.25
3 2 5.4.25
Output for 5.4.24
3 2 5.4.24
Output for 5.4.23
3 2 5.4.23
Output for 5.4.22
3 2 5.4.22
Output for 5.4.21
3 2 5.4.21
Output for 5.4.20
3 2 5.4.20
Output for 5.4.19
3 2 5.4.19
Output for 5.4.18
3 2 5.4.18
Output for 5.4.17
3 2 5.4.17
Output for 5.4.16
3 2 5.4.16
Output for 5.4.15
3 2 5.4.15
Output for 5.4.14
3 2 5.4.14
Output for 5.4.13
3 2 5.4.13
Output for 5.4.12
3 2 5.4.12
Output for 5.4.11
3 2 5.4.11
Output for 5.4.10
3 2 5.4.10
Output for 5.4.9
3 2 5.4.9
Output for 5.4.8
3 2 5.4.8
Output for 5.4.7
3 2 5.4.7
Output for 5.4.6
3 2 5.4.6
Output for 5.4.5
3 2 5.4.5
Output for 5.4.4
3 2 5.4.4
Output for 5.4.3
3 2 5.4.3
Output for 5.4.2
3 2 5.4.2
Output for 5.4.1
3 2 5.4.1
Output for 5.4.0
3 2 5.4.0
Output for 5.3.29
3 2 5.3.29
Output for 5.3.28
3 2 5.3.28
Output for 5.3.27
3 2 5.3.27
Output for 5.3.26
3 2 5.3.26
Output for 5.3.25
3 2 5.3.25
Output for 5.3.24
3 2 5.3.24
Output for 5.3.23
3 2 5.3.23
Output for 5.3.22
3 2 5.3.22
Output for 5.3.21
3 2 5.3.21
Output for 5.3.20
3 2 5.3.20
Output for 5.3.19
3 2 5.3.19
Output for 5.3.18
3 2 5.3.18
Output for 5.3.17
3 2 5.3.17
Output for 5.3.16
3 2 5.3.16
Output for 5.3.15
3 2 5.3.15
Output for 5.3.14
3 2 5.3.14
Output for 5.3.13
3 2 5.3.13
Output for 5.3.12
3 2 5.3.12
Output for 5.3.11
3 2 5.3.11
Output for 5.3.10
3 2 5.3.10
Output for 5.3.9
3 2 5.3.9
Output for 5.3.8
3 2 5.3.8
Output for 5.3.7
3 2 5.3.7
Output for 5.3.6
3 2 5.3.6
Output for 5.3.5
3 2 5.3.5
Output for 5.3.4
3 2 5.3.4
Output for 5.3.3
3 2 5.3.3
Output for 5.3.2
3 2 5.3.2
Output for 5.3.1
3 2 5.3.1
Output for 5.3.0
3 2 5.3.0
Output for 5.2.17
3 2 5.2.17
Output for 5.2.16
3 2 5.2.16
Output for 5.2.15
3 2 5.2.15
Output for 5.2.14
3 2 5.2.14
Output for 5.2.13
3 2 5.2.13
Output for 5.2.12
3 2 5.2.12
Output for 5.2.11
3 2 5.2.11
Output for 5.2.10
3 2 5.2.10
Output for 5.2.9
3 2 5.2.9
Output for 5.2.8
3 2 5.2.8
Output for 5.2.7
3 2 5.2.7
Output for 5.2.6
3 2 5.2.6
Output for 5.2.5
3 2 5.2.5
Output for 5.2.4
3 2 5.2.4
Output for 5.2.3
3 2 5.2.3
Output for 5.2.2
3 2 5.2.2
Output for 5.2.1
3 2 5.2.1
Output for 5.2.0
3 2 5.2.0
Output for 5.1.6
3 2 5.1.6
Output for 5.1.5
3 2 5.1.5
Output for 5.1.4
3 2 5.1.4
Output for 5.1.3
3 2 5.1.3
Output for 5.1.2
3 2 5.1.2
Output for 5.1.1
3 2 5.1.1
Output for 5.1.0
3 2 5.1.0
Output for 5.0.5
3 2 5.0.5
Output for 5.0.4
3 2 5.0.4
Output for 5.0.3
3 2 5.0.3
Output for 5.0.2
3 2 5.0.2
Output for 5.0.1
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL5.0.1
Output for 5.0.0
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL5.0.0
Output for 4.4.9
3 2 4.4.9
Output for 4.4.8
3 2 4.4.8
Output for 4.4.7
3 2 4.4.7
Output for 4.4.6
3 2 4.4.6
Output for 4.4.5
3 2 4.4.5
Output for 4.4.4
3 2 4.4.4
Output for 4.4.3
3 2 4.4.3
Output for 4.4.2
3 2 4.4.2
Output for 4.4.1
3 2 4.4.1
Output for 4.4.0
3 2 4.4.0
Output for 4.3.11
3 2 4.3.11
Output for 4.3.10
3 2 4.3.10
Output for 4.3.9
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.9
Output for 4.3.8
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.8
Output for 4.3.7
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.7
Output for 4.3.6
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.6
Output for 4.3.5
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.5
Output for 4.3.4
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.4
Output for 4.3.3
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.3
Output for 4.3.2
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.2
Output for 4.3.1
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.1
Output for 4.3.0
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL2 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/N6j98 on line 5 PHP_EOL4.3.0