3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); function censorWord($word, $censor) { if(strpos($word, $censor)) { return preg_replace("/$censor/",'*', $word, 1); } } $word_list = ['php','javascript']; $data = "Javascript and php are awesome!"; $words = explode(" ", $data); // pass each word by reference so it can be modified inside our array foreach($words as &$word) { if(in_array(strtolower($word), $word_list)) { // this just passes the second letter of the word // as the $censor argument $word = censorWord($word, $word[1]); } } echo implode(" ", $words); // returns J*vascript and p*p are awesome! $end = (microtime(true)); echo '<br />'; echo $end - $start;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.0050.00916.88
7.3.00.0040.01316.81
7.2.130.0060.01016.96
7.2.120.0070.00717.04
7.2.110.0030.00817.06
7.2.100.0030.01117.18
7.2.90.0050.00817.19
7.2.80.0050.00617.31
7.2.70.0110.00517.14
7.2.60.0100.00217.07
7.2.50.0070.00417.19
7.2.40.0050.00517.13
7.2.30.0060.00817.18
7.2.20.0020.00817.05
7.2.10.0020.00917.20
7.2.00.0040.00817.83
7.1.250.0080.00515.99
7.1.70.0000.00817.41
7.1.60.0070.00717.49
7.1.50.0060.01616.90
7.1.00.0070.07322.38
7.0.200.0040.00816.93
7.0.140.0030.07322.15
7.0.60.0070.08320.05
7.0.50.0130.07317.94
7.0.40.0070.08317.77
7.0.30.0170.07717.77
7.0.20.0000.06717.86
7.0.10.0170.07317.81
7.0.00.0070.08317.85
5.6.280.0070.07020.91
5.6.210.0030.04020.77
5.6.200.0000.09018.19
5.6.190.0130.05318.19
5.6.180.0070.08018.29
5.6.170.0100.03718.12
5.6.160.0070.07718.29
5.6.150.0100.06018.29
5.6.140.0070.08318.21
5.6.130.0100.04018.13
5.6.120.0100.07318.27
5.6.110.0000.09318.14
5.6.100.0070.07718.14
5.6.90.0070.08018.21
5.6.80.0070.06317.50
5.6.70.0030.05017.66
5.6.60.0130.06017.52
5.6.50.0030.08317.66
5.6.40.0070.06317.59
5.6.30.0070.04717.64
5.6.20.0130.06717.64
5.6.10.0030.04717.50
5.6.00.0030.04017.48
5.5.350.0370.06320.50
5.5.340.0070.06017.98
5.5.330.0030.04317.98
5.5.320.0030.05017.96
5.5.310.0030.05017.95
5.5.300.0030.07317.94
5.5.290.0070.08318.04
5.5.280.0070.05317.95
5.5.270.0100.08318.09
5.5.260.0130.06718.02
5.5.250.0130.07717.79
5.5.240.0030.08017.34
5.5.230.0030.08317.47
5.5.220.0070.05717.35
5.5.210.0000.06017.36
5.5.200.0100.07017.30
5.5.190.0030.08317.30
5.5.180.0030.04017.37
5.5.160.0100.06717.27
5.5.150.0130.07017.27
5.5.140.0000.04317.41
5.5.130.0070.05717.32
5.5.120.0070.07317.31
5.5.110.0000.04717.30
5.5.100.0130.04317.20
5.5.90.0000.04717.20
5.5.80.0070.03317.23
5.5.70.0100.07317.23
5.5.60.0070.08017.30
5.5.50.0070.07317.28
5.5.40.0170.06317.18
5.5.30.0030.06017.21
5.5.20.0130.06717.17
5.5.10.0030.08017.18
5.5.00.0100.06717.24
5.4.450.0070.05019.43
5.4.440.0130.04719.22
5.4.430.0030.05019.34
5.4.420.0070.05019.44
5.4.410.0200.06319.15
5.4.400.0030.07319.04
5.4.390.0100.07319.03
5.4.380.0070.04719.03
5.4.370.0070.05319.05
5.4.360.0070.06719.13
5.4.350.0070.05319.10
5.4.340.0000.06019.03
5.4.320.0030.05019.04
5.4.310.0070.05319.05
5.4.300.0030.04019.27
5.4.290.0070.07319.15
5.4.280.0100.05319.08
5.4.270.0100.07719.12
5.4.260.0070.03719.05
5.4.250.0070.07719.05
5.4.240.0200.06319.04
5.4.230.0070.07719.12
5.4.220.0070.07718.94
5.4.210.0070.07719.11
5.4.200.0100.06319.06
5.4.190.0030.05319.10
5.4.180.0100.07018.88
5.4.170.0130.07019.04
5.4.160.0130.07019.11
5.4.150.0030.04719.02
5.4.140.0000.08016.31
5.4.130.0130.06716.40
5.4.120.0070.06016.46
5.4.110.0030.05016.41
5.4.100.0030.05716.42
5.4.90.0070.07016.47
5.4.80.0000.06016.40
5.4.70.0030.05016.45
5.4.60.0130.06016.43
5.4.50.0070.07016.43
5.4.40.0030.05316.53
5.4.30.0070.07016.42
5.4.20.0000.03716.38
5.4.10.0100.03016.43
5.4.00.0030.03315.86
5.3.290.0000.04714.73
5.3.280.0100.07714.64
5.3.270.0100.05014.64
5.3.260.0070.06714.71
5.3.250.0170.06314.55
5.3.240.0070.07014.65
5.3.230.0070.04314.55
5.3.220.0030.07714.58
5.3.210.0100.07714.61
5.3.200.0130.06314.60
5.3.190.0100.04714.60
5.3.180.0070.07314.59
5.3.170.0100.07314.58
5.3.160.0030.08014.56
5.3.150.0100.07014.56
5.3.140.0070.07714.59
5.3.130.0030.03714.76
5.3.120.0030.06014.61
5.3.110.0030.03714.57
5.3.100.0000.03714.07
5.3.90.0100.03014.02
5.3.80.0070.03714.04
5.3.70.0000.03714.22
5.3.60.0070.03013.98
5.3.50.0100.02713.94
5.3.40.0000.03713.93
5.3.30.0030.05013.93
5.3.20.0030.07013.74
5.3.10.0000.03713.69
5.3.00.0070.03313.67
5.2.170.0000.03011.11
5.2.160.0030.03711.36
5.2.150.0000.03011.20
5.2.140.0000.05311.13
5.2.130.0000.03011.00
5.2.120.0070.03011.16
5.2.110.0070.02711.14
5.2.100.0000.03010.95
5.2.90.0000.03011.20
5.2.80.0000.03010.98
5.2.70.0000.03311.12
5.2.60.0000.03011.26
5.2.50.0000.03011.06
5.2.40.0000.03011.06
5.2.30.0030.03010.96
5.2.20.0000.03010.96
5.2.10.0030.02710.85
5.2.00.0070.02310.79
5.1.60.0000.02310.02
5.1.50.0030.0209.99
5.1.40.0000.02310.05
5.1.30.0030.02310.28
5.1.20.0030.02710.36
5.1.10.0070.02010.07
5.1.00.0000.02710.14
5.0.50.0000.0238.93
5.0.40.0000.0208.93
5.0.30.0030.0278.93
5.0.20.0000.0208.93
5.0.10.0000.0208.93
5.0.00.0030.0278.93
4.4.90.0000.0178.93
4.4.80.0000.0178.93
4.4.70.0030.0138.93
4.4.60.0000.0178.93
4.4.50.0000.0178.93
4.4.40.0000.0238.93
4.4.30.0070.0138.93
4.4.20.0030.0138.93
4.4.10.0000.0178.93
4.4.00.0000.0278.93
4.3.110.0000.0138.93
4.3.100.0000.0178.93
4.3.90.0000.0138.93
4.3.80.0000.0238.93
4.3.70.0030.0138.93
4.3.60.0000.0138.93
4.3.50.0000.0138.93
4.3.40.0030.0208.93
4.3.30.0000.0138.93
4.3.20.0000.0208.93
4.3.10.0000.0338.93
4.3.00.0000.0178.93

preferences:
36.17 ms | 400 KiB | 5 Q