3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mt_rand_str ($l, $c = '1234567890') { for ($s = '', $cl = strlen($c)-1, $i = 0; $i < $l; $s .= $c[mt_rand(0, $cl)], ++$i); return $s; } echo mt_rand_str(8, '0123456789'); ?>

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)
7.4.00.0070.01014.82
7.3.120.0070.01015.06
7.3.110.0030.01414.84
7.3.100.0060.00914.68
7.3.90.0060.00614.78
7.3.80.0090.00614.80
7.3.70.0120.00314.85
7.3.60.0130.00314.87
7.3.50.0030.01014.72
7.3.40.0110.00414.63
7.3.30.0040.01414.71
7.3.20.0030.01016.76
7.3.10.0070.00616.56
7.3.00.0040.01016.71
7.2.250.0030.01614.85
7.2.240.0040.01115.05
7.2.230.0000.01514.75
7.2.220.0070.01015.03
7.2.210.0030.01315.10
7.2.200.0100.00314.75
7.2.190.0090.00815.02
7.2.180.0030.01015.13
7.2.170.0070.01014.89
7.2.130.0000.01316.61
7.2.120.0120.00016.67
7.2.110.0040.01016.64
7.2.100.0080.00416.58
7.2.90.0030.01017.02
7.2.80.0000.01216.71
7.2.70.0030.01016.81
7.2.60.0100.00716.86
7.2.50.0030.01016.66
7.2.40.0030.00616.93
7.2.30.0060.00917.05
7.2.20.0040.01117.15
7.2.10.0050.00516.93
7.2.00.0050.00817.96
7.1.330.0000.01815.92
7.1.320.0060.00915.83
7.1.310.0060.01015.53
7.1.300.0070.01015.74
7.1.290.0060.01015.54
7.1.280.0030.00715.85
7.1.270.0070.01015.77
7.1.260.0000.01515.77
7.1.250.0030.01015.61
7.1.70.0000.00717.19
7.1.60.0060.01819.17
7.1.50.0070.01316.77
7.1.00.0030.06322.36
7.0.200.0000.00816.86
7.0.140.0070.07022.01
7.0.100.0030.04019.88
7.0.90.0070.04019.85
7.0.80.0000.04319.88
7.0.70.0030.04320.00
7.0.60.0100.03319.89
7.0.50.0000.08320.21
7.0.40.0030.07720.05
7.0.30.0070.08720.05
7.0.20.0170.07720.09
7.0.10.0100.07720.09
7.0.00.0100.08320.03
5.6.280.0070.07021.04
5.6.250.0030.04020.62
5.6.240.0170.05020.57
5.6.230.0030.04020.67
5.6.220.0070.04720.60
5.6.210.0000.07020.64
5.6.200.0170.03321.07
5.6.190.0070.07720.96
5.6.180.0030.07721.19
5.6.170.0000.09021.06
5.6.160.0130.07721.14
5.6.150.0030.08721.18
5.6.140.0200.07021.09
5.6.130.0100.07320.95
5.6.120.0170.07720.95
5.6.110.0030.07721.11
5.6.100.0130.07321.07
5.6.90.0000.06020.99
5.6.80.0230.06320.40
5.6.70.0030.08020.47
5.6.60.0130.04320.46
5.6.50.0030.08320.34
5.6.40.0100.07020.50
5.6.30.0100.07720.50
5.6.20.0070.07720.47
5.6.10.0100.07720.40
5.6.00.0030.07020.48
5.5.380.0070.06320.41
5.5.370.0100.03320.50
5.5.360.0070.04320.41
5.5.350.0100.04720.32
5.5.340.0000.04320.93
5.5.330.0070.07320.81
5.5.320.0100.07320.87
5.5.310.0070.07020.77
5.5.300.0130.07320.89
5.5.290.0100.08020.74
5.5.280.0130.07720.89
5.5.270.0200.07320.88
5.5.260.0100.07320.86
5.5.250.0100.08020.61
5.5.240.0030.08020.20
5.5.230.0030.08020.14
5.5.220.0130.07320.18
5.5.210.0070.07320.32
5.5.200.0100.04720.28
5.5.190.0100.07020.21
5.5.180.0100.07720.08
5.5.160.0000.09020.09
5.5.150.0100.07320.24
5.5.140.0030.08319.99
5.5.130.0030.07720.25
5.5.120.0130.06020.27
5.5.110.0000.08320.13
5.5.100.0030.07020.17
5.5.90.0130.04020.15
5.5.80.0070.06720.16
5.5.70.0070.07720.05
5.5.60.0100.07020.18
5.5.50.0070.07720.07
5.5.40.0100.07319.98
5.5.30.0100.06320.05
5.5.20.0000.08720.06
5.5.10.0000.04720.04
5.5.00.0070.07320.10
5.4.450.0070.05019.36
5.4.440.0070.08019.18
5.4.430.0030.07719.48
5.4.420.0000.08019.35
5.4.410.0130.07319.41
5.4.400.0070.08319.04
5.4.390.0100.07319.23
5.4.380.0100.07018.92
5.4.370.0100.07319.14
5.4.360.0230.06019.04
5.4.350.0130.06719.00
5.4.340.0000.08319.13
5.4.320.0200.06719.16
5.4.310.0030.04719.14
5.4.300.0070.07719.04
5.4.290.0100.06319.18
5.4.280.0170.07019.06
5.4.270.0100.06319.09
5.4.260.0070.07018.95
5.4.250.0030.06319.12
5.4.240.0100.05018.88
5.4.230.0100.07319.10
5.4.220.0100.07319.22
5.4.210.0000.08019.15
5.4.200.0070.07319.13
5.4.190.0100.06319.12
5.4.180.0100.08019.20
5.4.170.0030.08019.21
5.4.160.0000.06718.84
5.4.150.0100.06018.93
5.4.140.0100.07316.45
5.4.130.0100.06716.48
5.4.120.0130.06716.43
5.4.110.0100.07316.43
5.4.100.0100.05716.46
5.4.90.0030.05716.44
5.4.80.0070.07016.38
5.4.70.0070.07016.32
5.4.60.0100.06316.49
5.4.50.0000.07016.33
5.4.40.0130.06016.54
5.4.30.0070.07716.31
5.4.20.0000.07016.44
5.4.10.0070.07016.30
5.4.00.0030.06315.88
5.3.290.0100.07714.68
5.3.280.0070.07714.62
5.3.270.0070.06714.66
5.3.260.0070.07014.63
5.3.250.0100.07314.66
5.3.240.0070.07714.69
5.3.230.0170.06714.69
5.3.220.0130.07014.60
5.3.210.0100.07314.66
5.3.200.0030.08014.55
5.3.190.0100.06014.58
5.3.180.0030.07714.52
5.3.170.0000.08014.63
5.3.160.0130.06714.55
5.3.150.0070.07714.62
5.3.140.0070.06314.48
5.3.130.0000.06714.57
5.3.120.0030.07714.57
5.3.110.0230.05314.60
5.3.100.0130.06313.96
5.3.90.0070.04314.05
5.3.80.0030.07314.05
5.3.70.0030.06314.16
5.3.60.0100.06714.14
5.3.50.0070.06013.97
5.3.40.0100.06713.93
5.3.30.0100.05714.01
5.3.20.0100.06313.68
5.3.10.0070.06313.72
5.3.00.0130.06713.67
5.2.170.0070.05711.63
5.2.160.0070.05711.63
5.2.150.0070.06011.63
5.2.140.0100.03711.63
5.2.130.0030.06311.63
5.2.120.0070.06011.63
5.2.110.0170.05011.63
5.2.100.0170.03311.63
5.2.90.0170.05311.63
5.2.80.0070.06011.63
5.2.70.0070.05311.63
5.2.60.0070.04711.63
5.2.50.0030.06311.63
5.2.40.0070.05711.63
5.2.30.0070.06311.63
5.2.20.0100.05011.63
5.2.10.0000.06311.63
5.2.00.0000.06711.63
5.1.60.0070.05011.63
5.1.50.0030.05011.63
5.1.40.0030.05311.63
5.1.30.0030.05311.63
5.1.20.0070.03011.63
5.1.10.0030.05311.63
5.1.00.0030.05011.63
5.0.50.0030.04711.63
5.0.40.0070.04311.63
5.0.30.0030.05011.63
5.0.20.0030.04311.63
5.0.10.0030.04011.63
5.0.00.0030.05711.63
4.4.90.0070.03311.63
4.4.80.0030.03311.63
4.4.70.0030.03311.63
4.4.60.0030.03711.63
4.4.50.0030.03311.63
4.4.40.0000.05711.63
4.4.30.0000.03711.63
4.4.20.0100.02311.63
4.4.10.0070.02711.63
4.4.00.0070.04711.63
4.3.110.0030.03711.63
4.3.100.0070.01711.63
4.3.90.0000.03711.63
4.3.80.0030.05011.63
4.3.70.0000.03011.63
4.3.60.0070.03011.63
4.3.50.0030.03711.63
4.3.40.0030.05011.63
4.3.30.0000.03711.63
4.3.20.0000.04011.63
4.3.10.0030.03311.63
4.3.00.0030.03311.63

preferences:
39.6 ms | 401 KiB | 5 Q