3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($x=0,$a=null;$x<28;$x++) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'; $a .= substr($chars,mt_rand(0,63),1); } echo $a;

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)
7.2.00.0060.00619.54
7.1.70.0000.00716.85
7.1.60.0040.02219.46
7.1.50.0130.01317.04
7.1.00.0000.08022.44
7.0.200.0060.00316.77
7.0.140.0030.07322.00
7.0.110.0270.06319.99
7.0.100.0300.03019.96
7.0.90.0000.09719.89
7.0.80.0130.07320.07
7.0.70.0000.08020.08
7.0.60.0230.05719.94
7.0.50.0130.06720.16
7.0.40.0130.07720.23
7.0.30.0100.07720.13
7.0.20.0200.07020.27
7.0.10.0000.08319.95
7.0.00.0130.08320.27
5.6.280.0030.07321.09
5.6.260.0130.07320.50
5.6.250.0130.08020.61
5.6.240.0130.04720.72
5.6.230.0130.08320.66
5.6.220.0100.07720.68
5.6.210.0100.07320.80
5.6.200.0130.06721.12
5.6.190.0170.07721.21
5.6.180.0030.07021.14
5.6.170.0070.09021.05
5.6.160.0070.08321.09
5.6.150.0100.08321.09
5.6.140.0070.07721.05
5.6.130.0100.08321.18
5.6.120.0030.08721.14
5.6.110.0100.08021.12
5.6.100.0070.08720.96
5.6.90.0070.08021.07
5.6.80.0200.04020.66
5.6.70.0070.07320.30
5.6.60.0100.07720.32
5.6.50.0030.08720.52
5.6.40.0030.08020.30
5.6.30.0070.07020.29
5.6.20.0070.06720.49
5.6.10.0030.08320.54
5.6.00.0030.08320.58
5.5.380.0100.08020.54
5.5.370.0070.08020.55
5.5.360.0070.07720.36
5.5.350.0070.07720.42
5.5.340.0100.07321.04
5.5.330.0070.09020.74
5.5.320.0100.08020.78
5.5.310.0100.07720.98
5.5.300.0130.08020.98
5.5.290.0030.08720.84
5.5.280.0070.08320.80
5.5.270.0100.05320.94
5.5.260.0070.07320.82
5.5.250.0130.07020.84
5.5.240.0070.07720.22
5.5.230.0170.07020.27
5.5.220.0130.07020.27
5.5.210.0070.04320.24
5.5.200.0100.07320.22
5.5.190.0100.07320.33
5.5.180.0030.07720.38
5.5.160.0030.06020.33
5.5.150.0230.06020.31
5.5.140.0130.07320.15
5.5.130.0030.07020.12
5.5.120.0070.07720.23
5.5.110.0070.08320.15
5.5.100.0070.04020.05
5.5.90.0100.07020.09
5.5.80.0100.07720.18
5.5.70.0070.07019.99
5.5.60.0130.06020.19
5.5.50.0030.07720.13
5.5.40.0070.07320.12
5.5.30.0270.06319.96
5.5.20.0170.06320.02
5.5.10.0130.06720.15
5.5.00.0130.07320.18
5.4.450.0100.08019.31
5.4.440.0170.07319.50
5.4.430.0270.06319.35
5.4.420.0100.07319.39
5.4.410.0130.07319.20
5.4.400.0170.05319.08
5.4.390.0100.07319.12
5.4.380.0170.05718.98
5.4.370.0070.07718.98
5.4.360.0030.05719.14
5.4.350.0030.07719.01
5.4.340.0070.07718.96
5.4.320.0070.08319.03
5.4.310.0030.08319.14
5.4.300.0200.06719.18
5.4.290.0130.07019.12
5.4.280.0200.06719.16
5.4.270.0100.07719.26
5.4.260.0030.04019.10
5.4.250.0030.07719.16
5.4.240.0070.08318.97
5.4.230.0070.07319.01
5.4.220.0200.06019.18
5.4.210.0170.06718.92
5.4.200.0070.07319.02
5.4.190.0070.07018.94
5.4.180.0100.07018.98
5.4.170.0100.07018.97
5.4.160.0070.07719.00
5.4.150.0100.08019.05
5.4.140.0130.07016.58
5.4.130.0030.07716.35
5.4.120.0070.07016.46
5.4.110.0100.06716.23
5.4.100.0130.06316.13
5.4.90.0000.08016.23
5.4.80.0130.06016.12
5.4.70.0070.07016.27
5.4.60.0000.06316.46
5.4.50.0170.05716.48
5.4.40.0030.07016.55
5.4.30.0100.07016.37
5.4.20.0170.05716.50
5.4.10.0200.06316.50
5.4.00.0030.03715.68
5.3.290.0000.07314.46
5.3.280.0030.04714.46
5.3.270.0000.08714.53
5.3.260.0100.07014.62
5.3.250.0100.07314.54
5.3.240.0070.06714.59
5.3.230.0170.06714.47
5.3.220.0070.05314.63
5.3.210.0070.07314.50
5.3.200.0130.06714.46
5.3.190.0070.07014.63
5.3.180.0100.07014.45
5.3.170.0100.06714.62
5.3.160.0100.05014.50
5.3.150.0070.07714.41
5.3.140.0100.04314.45
5.3.130.0030.07714.37
5.3.120.0030.05314.44
5.3.110.0130.07314.39
5.3.100.0070.04714.07
5.3.90.0100.07014.02
5.3.80.0030.07713.91
5.3.70.0070.07013.93
5.3.60.0070.07713.94
5.3.50.0130.05714.01
5.3.40.0100.07313.88
5.3.30.0130.07313.82
5.3.20.0030.05713.77
5.3.10.0100.07013.60
5.3.00.0100.07013.56
5.2.170.0100.06311.87
5.2.160.0100.03311.87
5.2.150.0100.05011.87
5.2.140.0030.04011.87
5.2.130.0100.05711.87
5.2.120.0070.06311.87
5.2.110.0070.06011.87
5.2.100.0030.06011.87
5.2.90.0030.06011.87
5.2.80.0100.05711.87
5.2.70.0070.06011.87
5.2.60.0030.06011.87
5.2.50.0070.05711.87
5.2.40.0000.06711.87
5.2.30.0070.05711.87
5.2.20.0070.05011.87
5.2.10.0000.06311.87
5.2.00.0030.05311.87
5.1.60.0030.05711.87
5.1.50.0070.04711.87
5.1.40.0070.05011.87
5.1.30.0070.05011.87
5.1.20.0130.04711.87
5.1.10.0170.04311.87
5.1.00.0100.05011.87
5.0.50.0100.04011.87
5.0.40.0030.03711.87
5.0.30.0030.05711.87
5.0.20.0070.04311.87
5.0.10.0070.04011.87
5.0.00.0000.06311.87
4.4.90.0100.02711.87
4.4.80.0030.03311.87
4.4.70.0000.02311.87
4.4.60.0030.03711.87
4.4.50.0070.03311.87
4.4.40.0030.05011.87
4.4.30.0030.02711.87
4.4.20.0000.03711.87
4.4.10.0000.02011.87
4.4.00.0000.04711.87
4.3.110.0030.03311.87
4.3.100.0000.03711.87
4.3.90.0030.03311.87
4.3.80.0000.05711.87
4.3.70.0000.03711.87
4.3.60.0030.03311.87
4.3.50.0030.03711.87
4.3.40.0000.05711.87
4.3.30.0030.02311.87
4.3.20.0000.03711.87
4.3.10.0030.03311.87
4.3.00.0030.03311.87

preferences:
36.82 ms | 401 KiB | 5 Q