3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(time()); function getNumber($val) { $let = range('a', 'z'); $num = range(1, 26); $val = strtolower($val); $ret = preg_replace($let, $num, $val); $ret = substr(0, 10, $ret); return $ret; } $b = getNumber($a); echo "<pre>"; var_dump($b);

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)
7.3.10.0070.00716.33
7.3.00.0000.00916.77
7.2.130.0070.00716.54
7.2.120.0070.00417.02
7.2.110.0030.01316.98
7.2.100.0040.00816.62
7.2.90.0040.01116.89
7.2.80.0070.00716.79
7.2.70.0040.00916.74
7.2.60.0130.00316.82
7.2.50.0040.00816.54
7.2.40.0000.01516.81
7.2.30.0070.00416.79
7.2.20.0070.00316.81
7.2.10.0110.00017.04
7.2.00.0090.00317.02
7.1.250.0060.00615.36
7.1.70.0000.00817.12
7.1.60.0130.01319.40
7.1.50.0110.00834.82
7.1.00.0070.07322.57
7.0.200.0000.01016.62
7.0.140.0100.06722.05
7.0.80.0430.04319.86
7.0.70.0500.05719.94
7.0.60.0600.04319.89
7.0.50.0530.08020.39
7.0.40.0100.04320.08
7.0.30.0100.05320.11
7.0.20.0070.05019.96
7.0.10.0130.07020.05
7.0.00.0030.05720.12
5.6.280.0070.07321.07
5.6.230.0100.08720.69
5.6.220.0100.08020.71
5.6.210.0030.08720.57
5.6.200.0230.06320.96
5.6.190.0070.04721.13
5.6.180.0100.08021.03
5.6.170.0030.09020.94
5.6.160.0100.07721.02
5.6.150.0100.08021.04
5.6.140.0170.07721.10
5.6.130.0000.09021.08
5.6.120.0100.07721.06
5.6.110.0100.07320.96
5.6.100.0170.06321.00
5.6.90.0070.04021.15
5.6.80.0030.04720.41
5.6.70.0070.07320.40
5.6.60.0070.08020.34
5.6.50.0070.08020.40
5.6.40.0100.08720.30
5.6.30.0030.05020.39
5.6.20.0030.04720.29
5.6.10.0000.08720.46
5.6.00.0100.05720.28
5.5.370.0030.07320.36
5.5.360.0200.07020.54
5.5.350.0170.07320.48
5.5.340.0100.07720.82
5.5.330.0070.04320.78
5.5.320.0030.05020.90
5.5.310.0070.08720.79
5.5.300.0100.04020.91
5.5.290.0100.07720.93
5.5.280.0000.08720.86
5.5.270.0100.08720.89
5.5.260.0070.08720.82
5.5.250.0030.05020.73
5.5.240.0170.04020.15
5.5.230.0070.08320.26
5.5.220.0100.08020.11
5.5.210.0100.04720.30
5.5.200.0100.04020.27
5.5.190.0070.05020.24
5.5.180.0130.04020.22
5.5.160.0130.07720.13
5.5.150.0130.06720.23
5.5.140.0100.07720.12
5.5.130.0100.07320.25
5.5.120.0170.05320.15
5.5.110.0030.04320.23
5.5.100.0000.07320.02
5.5.90.0200.06720.11
5.5.80.0070.08020.01
5.5.70.0100.07320.14
5.5.60.0070.07320.14
5.5.50.0070.08020.07
5.5.40.0130.04020.14
5.5.30.0070.06020.13
5.5.20.0170.06719.93
5.5.10.0130.06320.13
5.5.00.0170.07320.06
5.4.450.0170.07019.35
5.4.440.0070.04719.23
5.4.430.0100.06019.48
5.4.420.0100.04319.45
5.4.410.0000.05319.36
5.4.400.0130.06718.88
5.4.390.0030.08719.05
5.4.380.0100.08019.12
5.4.370.0100.08018.95
5.4.360.0070.04718.85
5.4.350.0130.07319.20
5.4.340.0000.04719.20
5.4.320.0100.04318.95
5.4.310.0070.07319.04
5.4.300.0070.05319.14
5.4.290.0100.06018.87
5.4.280.0100.05019.12
5.4.270.0170.07019.03
5.4.260.0000.08019.15
5.4.250.0100.07319.08
5.4.240.0130.07018.87
5.4.230.0100.05718.94
5.4.220.0000.07019.20
5.4.210.0100.07319.14
5.4.200.0030.08018.87
5.4.190.0100.07319.12
5.4.180.0000.05719.02
5.4.170.0230.03019.08
5.4.160.0100.04719.02
5.4.150.0000.08319.14
5.4.140.0000.05016.43
5.4.130.0070.03716.43
5.4.120.0130.06316.38
5.4.110.0100.06016.32
5.4.100.0030.08016.39
5.4.90.0130.06716.47
5.4.80.0200.06016.47
5.4.70.0100.07716.49
5.4.60.0070.05716.25
5.4.50.0030.05316.30
5.4.40.0070.04016.38
5.4.30.0070.05016.41
5.4.20.0130.06316.24
5.4.10.0100.07016.46
5.4.00.0100.07015.86
5.3.290.0070.07014.69
5.3.280.0130.06714.59
5.3.270.0070.07714.54
5.3.260.0030.06314.63
5.3.250.0030.07714.63
5.3.240.0200.06014.72
5.3.230.0030.08014.53
5.3.220.0030.05314.64
5.3.210.0030.05314.69
5.3.200.0030.04714.52
5.3.190.0070.07314.71
5.3.180.0070.06314.54
5.3.170.0130.06014.63
5.3.160.0070.07714.68
5.3.150.0030.07314.57
5.3.140.0030.05014.55
5.3.130.0130.04014.61
5.3.120.0100.05014.54
5.3.110.0070.04314.67
5.3.100.0030.05714.11
5.3.90.0030.07714.01
5.3.80.0070.07714.07
5.3.70.0030.08014.10
5.3.60.0000.06014.08
5.3.50.0030.07713.86
5.3.40.0070.05013.99
5.3.30.0070.05713.93
5.3.20.0030.05013.70
5.3.10.0030.06013.71
5.3.00.0070.07013.57
5.2.170.0100.04711.04
5.2.160.0130.05311.26
5.2.150.0070.03011.16
5.2.140.0000.05311.25
5.2.130.0070.06011.14
5.2.120.0030.06311.16
5.2.110.0100.02311.09
5.2.100.0000.03310.96
5.2.90.0100.05311.17
5.2.80.0070.06011.00
5.2.70.0030.06711.22
5.2.60.0070.05711.13
5.2.50.0000.05311.03
5.2.40.0030.03711.01
5.2.30.0030.06010.89
5.2.20.0000.05010.99
5.2.10.0030.03310.89
5.2.00.0030.06010.77
5.1.60.0030.0539.96
5.1.50.0100.0479.86
5.1.40.0030.04310.05
5.1.30.0030.05310.43
5.1.20.0000.04310.48
5.1.10.0030.03010.07
5.1.00.0070.05010.09
5.0.50.0030.0438.55
5.0.40.0030.0378.43
5.0.30.0000.0708.11
5.0.20.0000.0478.29
5.0.10.0030.0478.09
5.0.00.0030.0608.17
4.4.90.0000.0237.29
4.4.80.0030.0337.29
4.4.70.0030.0377.29
4.4.60.0000.0377.29
4.4.50.0000.0207.29
4.4.40.0030.0377.29
4.4.30.0030.0337.29
4.4.20.0000.0307.29
4.4.10.0000.0377.29
4.4.00.0030.0537.29
4.3.110.0000.0377.29
4.3.100.0030.0337.29
4.3.90.0000.0337.29
4.3.80.0100.0407.29
4.3.70.0000.0377.29
4.3.60.0070.0337.29
4.3.50.0000.0337.29
4.3.40.0030.0537.29
4.3.30.0000.0307.29
4.3.20.0000.0377.29
4.3.10.0000.0377.29
4.3.00.0030.0307.29

preferences:
40.03 ms | 400 KiB | 5 Q