3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); set_time_limit(0); generate_nice('php'); function generate_nice($word) { echo 'Word: ', $word, "\n"; $i = generate($word); echo 'Seed: ', $i, "\n"; echo 'Test: ', test($i, strlen($word)), "\n"; } function generate($word) { $l = strlen($word); $s = ''; for ($i = 0; $s !== $word; ++$i) { $s = ''; srand($i); for ($j = 0; $j < $l; ++$j) { $s .= chr(96 + rand(1, 26)); } } return $i - 1; } function test($i, $l) { $s = ''; srand($i); for ($j = 0; $j < $l; ++$j) { $s .= chr(96 + rand(1, 26)); } return $s; }

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)
7.3.120.0030.04014.57
7.3.110.0120.03114.57
7.3.100.0100.02314.92
7.3.90.0170.02714.82
7.3.80.0070.02614.92
7.3.70.0030.03915.00
7.3.60.0040.02614.53
7.3.50.0070.02314.77
7.3.40.0070.03014.55
7.3.30.0090.02214.59
7.3.20.0030.03016.73
7.3.10.0070.02816.31
7.3.00.0030.03116.50
7.2.240.0060.03215.19
7.2.230.0100.02415.23
7.2.220.0070.03015.03
7.2.210.0000.03115.21
7.2.200.0130.03215.13
7.2.190.0000.03015.12
7.2.180.0040.03215.13
7.2.170.0070.02315.09
7.2.160.0040.03115.17
7.2.150.0030.02816.81
7.2.140.0030.03016.98
7.2.130.0100.02417.14
7.2.120.0100.02316.95
7.2.110.0030.03016.96
7.2.100.0070.02616.71
7.2.90.0060.02417.03
7.2.80.0060.02617.01
7.2.70.0030.02916.64
7.2.60.0070.02317.00
7.2.50.0000.03516.83
7.2.40.0030.03116.79
7.2.30.0100.02216.78
7.2.20.0100.02917.04
7.2.10.0000.03416.90
7.2.00.0050.02618.11
7.1.330.0000.04215.96
7.1.320.0030.04015.82
7.1.310.0060.03515.92
7.1.300.0030.03215.91
7.1.290.0000.03015.73
7.1.280.0030.03215.80
7.1.270.0070.02715.43
7.1.260.0030.03915.78
7.1.250.0100.02315.70
7.1.70.0000.02617.16
7.1.60.0070.05819.30
7.1.50.0070.04917.00
7.1.00.0030.10022.30
7.0.200.0040.02614.78
7.0.140.0000.10322.12
7.0.120.0070.09722.05
7.0.60.0070.10319.95
7.0.50.0000.06717.85
7.0.40.0000.06720.26
7.0.30.0200.08720.27
7.0.20.0130.08720.20
7.0.10.0270.06720.12
7.0.00.0000.06020.05
5.6.280.0070.10721.00
5.6.210.0070.11720.61
5.6.200.0070.11718.25
5.6.190.0100.06020.46
5.6.180.0330.07720.44
5.6.170.0230.06720.39
5.6.160.0070.08320.50
5.6.150.0070.10718.18
5.6.140.0200.10018.20
5.6.130.0000.06718.24
5.6.120.0100.11321.13
5.6.110.0100.11021.00
5.6.100.0230.09320.99
5.6.90.0100.11021.10
5.6.80.0070.10720.37
5.6.70.0300.10020.37
5.5.350.0270.06720.30
5.5.340.0100.09717.99
5.5.330.0100.08720.19
5.5.320.0330.08320.47
5.5.310.0200.07320.30
5.5.300.0070.11718.00
5.5.290.0070.09717.95
5.5.280.0030.06720.89
5.5.270.0100.08320.85
5.5.260.0030.10020.65
5.5.250.0100.09320.60
5.5.240.0100.06720.04
5.4.450.0100.09719.49
5.4.440.0070.12019.57
5.4.430.0070.07319.17
5.4.420.0100.10319.44
5.4.410.0100.11019.05
5.4.400.0030.06319.25
5.4.390.0070.05718.93
5.4.380.0000.06019.16
5.4.370.0030.05719.14
5.4.360.0000.06718.88
5.4.350.0100.05318.86
5.4.340.0100.11019.16
5.4.320.0070.06319.15
5.4.310.0000.06718.92
5.4.300.0030.05719.23
5.4.290.0070.05719.12
5.4.280.0100.06019.15
5.4.270.0030.06019.11
5.4.260.0000.06018.86
5.4.250.0100.06019.25
5.4.240.0070.06718.92
5.4.230.0070.05718.96
5.4.220.0030.06718.83
5.4.210.0000.06319.11
5.4.200.0070.05719.14
5.4.190.0000.06019.22
5.4.180.0100.05018.91
5.4.170.0070.11318.96
5.4.160.0030.11019.18
5.4.150.0030.11319.13
5.4.140.0070.08316.45
5.4.130.0030.11016.31
5.4.120.0070.10316.38
5.4.110.0130.06316.54
5.4.100.0030.10316.35
5.4.90.0070.09716.48
5.4.80.0030.06016.48
5.4.70.0100.09316.46
5.4.60.0130.05016.37
5.4.50.0070.05716.44
5.4.40.0130.06016.50
5.4.30.0030.06716.27
5.4.20.0070.06716.63
5.4.10.0030.10316.27
5.4.00.0100.10315.86
5.3.290.0130.05014.68
5.3.280.0000.07714.66
5.3.270.0070.08014.64
5.3.260.0000.12314.65
5.3.250.0230.09314.53
5.3.240.0070.11014.53
5.3.230.0030.11014.66
5.3.220.0000.07714.47
5.3.210.0030.06314.61
5.3.200.0100.10714.65
5.3.190.0130.10314.61
5.3.180.0100.06314.62
5.3.170.0030.11314.63
5.3.160.0170.09014.58
5.3.150.0100.10014.61
5.3.140.0030.06314.57
5.3.130.0100.10714.56
5.3.120.0030.07714.57
5.3.110.0130.09314.56
5.3.100.0130.10714.12
5.3.90.0070.10314.05
5.3.80.0100.06014.10
5.3.70.0200.09314.09
5.3.60.0100.06714.16
5.3.50.0000.09313.88
5.3.40.0070.09013.96
5.3.30.0070.10013.87
5.3.20.0070.07313.65
5.3.10.0030.08013.70
5.3.00.0030.09013.64
5.2.170.0000.10011.23
5.2.160.0000.08011.21
5.2.150.0030.06311.23
5.2.140.0070.08011.04
5.2.130.0130.08711.27
5.2.120.0000.06711.04
5.2.110.0030.06311.27
5.2.100.0000.06011.12
5.2.90.0070.05311.00
5.2.80.0000.07711.13
5.2.70.0030.10011.14
5.2.60.0070.09711.03
5.2.50.0100.08311.04
5.2.40.0200.04710.97
5.2.30.0030.05310.93
5.2.20.0100.09311.02
5.2.10.0130.09010.79
5.2.00.0100.07710.89
5.1.60.0100.08710.03
5.1.50.0030.0639.97
5.1.40.0030.1009.94
5.1.30.0070.09010.36
5.1.20.0030.06310.33
5.1.10.0030.05310.23
5.1.00.0100.0879.99
5.0.50.0070.0878.55
5.0.40.0030.0608.47
5.0.30.0070.1078.20
5.0.20.0000.0538.20
5.0.10.0030.0878.20
5.0.00.0030.1078.23
4.4.90.0030.0638.20
4.4.80.0030.0978.20
4.4.70.0000.0538.20
4.4.60.0030.0508.20
4.4.50.0030.0608.20
4.4.40.0030.0678.20
4.4.30.0030.0578.20
4.4.20.0100.0778.20
4.4.10.0000.0578.20
4.4.00.0000.0638.20
4.3.110.0000.0908.20
4.3.100.0000.0838.20
4.3.90.0000.0478.20
4.3.80.0030.0978.20
4.3.70.0000.0708.20
4.3.60.0000.0878.20
4.3.50.0100.0808.20
4.3.40.0030.0738.20
4.3.30.0030.0808.20
4.3.20.0030.0808.20
4.3.10.0000.0838.20
4.3.00.0030.0678.20

preferences:
35.36 ms | 400 KiB | 5 Q