3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = mt_rand(); echo "mt_rand: $str"; function d($fn) { global $str; $str = $fn($str); echo "$fn: $str\n"; } function zxcvbn($l){ global $str; d('md5'); d('metaphone'); d('sha1'); d('hex2bin'); d('bin2hex'); d('str_rot13'); d('str_shuffle'); d('strrev'); return substr($str, 0, $l); } echo zxcvbn(12);

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)
7.3.10.0030.00816.33
7.3.00.0030.01016.41
7.2.130.0090.00616.83
7.2.120.0000.01316.86
7.2.110.0070.00716.97
7.2.100.0030.00916.90
7.2.90.0000.01217.06
7.2.80.0030.00716.85
7.2.70.0100.00316.95
7.2.60.0030.01116.90
7.2.50.0100.00016.78
7.2.40.0030.00716.99
7.2.30.0060.01017.04
7.2.20.0110.00416.91
7.2.10.0030.00916.93
7.2.00.0030.01016.88
7.1.250.0040.00815.88
7.1.70.0030.00517.09
7.1.60.0070.00719.86
7.1.50.0210.01834.82
7.1.00.0000.08022.33
7.0.200.1100.00714.85
7.0.60.0170.04020.05
7.0.50.0100.08017.88
7.0.40.0230.06720.23
7.0.30.0170.05320.06
7.0.20.0330.07020.12
7.0.10.0300.05320.16
7.0.00.0030.06320.12
5.6.280.0070.06721.03
5.6.210.0070.08020.69
5.6.200.0130.04018.18
5.6.190.0030.04720.34
5.6.180.3500.04020.63
5.6.170.0200.04720.57
5.6.160.0100.07720.44
5.6.150.0070.04318.11
5.6.140.0070.06318.21
5.6.130.0030.04318.27
5.6.120.0170.08021.00
5.6.110.0130.08721.00
5.6.100.0100.08321.08
5.6.90.0030.08021.11
5.6.80.0170.04320.49
5.6.70.0130.04320.44
5.5.350.0370.07320.42
5.5.340.0030.08318.08
5.5.330.0230.07020.47
5.5.320.0500.06720.38
5.5.310.0270.06320.32
5.5.300.0030.08017.95
5.5.290.0100.07718.07
5.5.280.0030.06320.95
5.5.270.0000.04320.65
5.5.260.0030.04020.64
5.5.250.0070.03720.68
5.5.240.0270.06320.13
5.4.450.0200.06019.63
5.4.440.0830.06019.23
5.4.430.0170.04719.46
5.4.420.0130.05019.21
5.4.410.0300.03319.44
5.4.400.0030.05719.09
5.4.390.0070.05719.13
5.4.380.0130.06319.06
5.4.370.0030.05719.02
5.4.360.0200.04319.25
5.4.350.0070.05719.11
5.4.340.0100.05719.26
5.4.320.0100.05319.04
5.4.310.0130.05019.09
5.4.300.0070.05719.06
5.4.290.0170.04319.13
5.4.280.0170.06319.12
5.4.270.0100.07319.13
5.4.260.0230.06319.03
5.4.250.0100.06019.17
5.4.240.0100.05319.15
5.4.230.0070.05319.15
5.4.220.0230.04019.11
5.4.210.0130.05319.12
5.4.200.0070.05316.63
5.4.190.0030.06019.08
5.4.180.0200.05719.11
5.4.170.0100.05719.03
5.4.160.0100.05019.05
5.4.150.0130.05019.00
5.4.140.0070.05316.69
5.4.130.0070.05716.34
5.4.120.0070.05016.49
5.4.110.0100.04716.43
5.4.100.0100.05016.63
5.4.90.0130.07316.63
5.4.80.0070.05016.62
5.4.70.0000.05716.49
5.4.60.0130.04716.60
5.4.50.0070.05016.60
5.4.40.0130.05316.41
5.4.30.0100.05316.24
5.4.20.0130.04716.54
5.4.10.0070.05016.39
5.4.00.0100.04715.92
5.3.290.0030.08014.78
5.3.280.0130.06014.50
5.3.270.0070.07714.76
5.3.260.0030.06314.52
5.3.250.0270.03314.62
5.3.240.0170.07014.54
5.3.230.0100.07014.77
5.3.220.0170.04314.63
5.3.210.0130.05314.63
5.3.200.0130.04714.43
5.3.190.0230.05314.55
5.3.180.0030.06014.61
5.3.170.0170.04314.62
5.3.160.0100.05014.68
5.3.150.0100.05014.48
5.3.140.0070.05314.42
5.3.130.0130.05014.72
5.3.120.0070.05714.58
5.3.110.0230.06014.62
5.3.100.0070.07014.05
5.3.90.0130.04713.95
5.3.80.0100.05014.09
5.3.70.0070.05313.88
5.3.60.0100.05313.92
5.3.50.0100.05013.94
5.3.40.0070.05313.96
5.3.30.0100.05313.82
5.3.20.0100.04713.68
5.3.10.0130.05713.72
5.3.00.0030.05313.56
5.2.170.0130.03711.16
5.2.160.0030.04311.26
5.2.150.0100.05011.09
5.2.140.0070.04011.06
5.2.130.0070.04011.06
5.2.120.0100.03710.97
5.2.110.0030.04311.01
5.2.100.0070.04711.12
5.2.90.0000.04711.17
5.2.80.0070.04011.01
5.2.70.0130.05311.00
5.2.60.0170.05011.13
5.2.50.0170.04711.10
5.2.40.0100.05011.05
5.2.30.0100.05311.07
5.2.20.0070.04011.11
5.2.10.0130.04011.02
5.2.00.0100.03710.58
5.1.60.0030.0379.90
5.1.50.0100.0309.92
5.1.40.0070.03310.14
5.1.30.0130.04310.27
5.1.20.0100.04310.31
5.1.10.0070.04310.16
5.1.00.0070.0509.92
5.0.50.0070.0278.48
5.0.40.0000.0308.41
5.0.30.0000.0478.37
5.0.20.0070.0278.11
5.0.10.0000.0308.07
5.0.00.0030.0438.10
4.4.90.0070.0205.80
4.4.80.0000.0235.75
4.4.70.0030.0205.93
4.4.60.0070.0205.91
4.4.50.0000.0235.77
4.4.40.0030.0375.90
4.4.30.0030.0235.86
4.4.20.0000.0275.95
4.4.10.0030.0205.98
4.4.00.0070.0335.93
4.3.110.0000.0235.68
4.3.100.0070.0205.79
4.3.90.0000.0235.66
4.3.80.0070.0305.76
4.3.70.0000.0235.81
4.3.60.0030.0275.84
4.3.50.0030.0205.84
4.3.40.0000.0375.63
4.3.30.0030.0274.43
4.3.20.0000.0234.43
4.3.10.0000.0234.39
4.3.00.0000.0277.24

preferences:
62.12 ms | 403 KiB | 5 Q