3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 'hi'; $url &= $test; echo $url."\n"; echo $test."\n"; $url = 'bob'; echo $url."\n"; echo $test."\n";

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)
8.3.40.0090.00619.02
8.3.30.0060.01019.09
8.3.20.0040.00420.25
8.3.10.0040.00423.66
8.3.00.0080.00019.50
8.2.170.0100.00622.96
8.2.160.0070.00720.28
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00422.11
8.2.110.0040.00422.25
8.2.100.0000.01217.91
8.2.90.0040.00419.17
8.2.80.0080.00018.04
8.2.70.0050.00317.50
8.2.60.0000.00817.68
8.2.50.0000.00818.07
8.2.40.0080.00019.48
8.2.30.0040.00418.05
8.2.20.0040.00417.69
8.2.10.0050.00218.04
8.2.00.0050.00217.61
8.1.270.0080.00023.87
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.87
8.1.230.0120.00018.94
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0030.00617.50
8.1.180.0030.00818.10
8.1.170.0030.00618.52
8.1.160.0040.00421.95
8.1.150.0040.00418.52
8.1.140.0000.00817.32
8.1.130.0030.00317.85
8.1.120.0040.00417.40
8.1.110.0040.00417.30
8.1.100.0030.00317.44
8.1.90.0040.00417.24
8.1.80.0070.00017.29
8.1.70.0000.00717.26
8.1.60.0080.00017.53
8.1.50.0040.00417.39
8.1.40.0060.00317.39
8.1.30.0030.00517.48
8.1.20.0040.00417.56
8.1.10.0000.00717.57
8.1.00.0000.00717.52
8.0.300.0040.00420.84
8.0.290.0040.00417.05
8.0.280.0030.00518.33
8.0.270.0070.00017.23
8.0.260.0000.00817.09
8.0.250.0030.00316.96
8.0.240.0000.00617.01
8.0.230.0000.00716.88
8.0.220.0000.00716.86
8.0.210.0070.00016.89
8.0.200.0000.00816.98
8.0.190.0000.00716.88
8.0.180.0040.00416.79
8.0.170.0000.00716.77
8.0.160.0000.00716.78
8.0.150.0080.00416.84
8.0.140.0040.00416.81
8.0.130.0000.00513.29
8.0.120.0040.00416.85
8.0.110.0040.00416.93
8.0.100.0020.00516.85
8.0.90.0000.00716.95
8.0.80.0080.00616.86
8.0.70.0070.00016.84
8.0.60.0000.00716.84
8.0.50.0070.00016.73
8.0.30.0110.00716.95
8.0.20.0130.00517.40
8.0.10.0000.00716.93
8.0.00.0100.00716.77
7.4.330.0050.00015.00
7.4.320.0000.00616.52
7.4.300.0030.00316.45
7.4.290.0040.00416.36
7.4.280.0080.00016.42
7.4.270.0000.00716.39
7.4.260.0030.00316.45
7.4.250.0060.00316.47
7.4.240.0060.00116.37
7.4.230.0070.00016.36
7.4.220.0070.01816.47
7.4.210.0060.00816.52
7.4.200.0070.00016.27
7.4.190.0000.00816.57
7.4.160.0140.00316.43
7.4.150.0140.00917.40
7.4.140.0080.01117.86
7.4.130.0120.00716.41
7.4.120.0110.00716.38
7.4.110.0100.00716.40
7.4.100.0060.01216.37
7.4.90.0110.00716.47
7.4.80.0170.00319.39
7.4.70.0140.00416.44
7.4.60.0080.00816.60
7.4.50.0000.00916.49
7.4.40.0120.00616.21
7.4.30.0040.01116.36
7.4.00.0070.01015.00
7.3.330.0040.00213.06
7.3.320.0030.00313.11
7.3.310.0070.00016.09
7.3.300.0030.00316.33
7.3.290.0110.00316.27
7.3.280.0110.00916.32
7.3.270.0080.01417.40
7.3.260.0070.01116.37
7.3.250.0110.00916.49
7.3.240.0130.00516.40
7.3.230.0120.00416.39
7.3.210.0140.00316.39
7.3.200.0060.01219.39
7.3.190.0100.01016.51
7.3.180.0130.00316.56
7.3.170.0040.01316.54
7.3.160.0080.00816.55
7.3.120.0070.00714.70
7.3.10.0040.00816.53
7.3.00.0040.01116.65
7.2.330.0090.00916.42
7.2.320.0190.00416.64
7.2.310.0060.00916.57
7.2.300.0090.00616.45
7.2.290.0130.01316.50
7.2.130.0080.00416.77
7.2.120.0040.00816.82
7.2.110.0120.00616.55
7.2.100.0090.00716.86
7.2.90.0100.00316.54
7.2.80.0090.00916.76
7.2.70.0030.01016.33
7.2.60.0050.00616.84
7.2.50.0030.00616.84
7.2.40.0030.00616.62
7.2.30.0040.00816.84
7.2.20.0040.00716.72
7.2.10.0070.00717.04
7.2.00.0050.00618.18
7.1.250.0040.00815.66
7.1.200.0090.00015.57
7.1.100.0070.00418.09
7.1.70.0030.00616.96
7.1.60.0000.02419.46
7.1.50.0180.00734.60
7.1.00.0070.07322.28
7.0.200.0030.00716.98
7.0.140.0000.08022.02
7.0.110.0030.08720.04
7.0.100.0030.07719.85
7.0.90.0170.07320.02
7.0.80.0070.03719.91
7.0.70.0070.03719.88
7.0.60.0070.07020.01
7.0.50.0070.07720.00
7.0.40.0030.08319.76
7.0.30.0100.06719.75
7.0.20.0200.07019.65
7.0.10.0170.07019.73
7.0.00.0070.08019.71
5.6.280.0070.07020.90
5.6.260.0170.06720.68
5.6.250.0170.06320.88
5.6.240.0130.04720.69
5.6.230.0170.06320.65
5.6.220.0000.04020.61
5.6.210.0030.08320.72
5.6.200.0070.04720.61
5.6.190.0100.07720.84
5.6.180.0030.08320.70
5.6.170.0170.07320.61
5.6.160.0100.08020.84
5.6.150.0070.07720.61
5.6.140.0100.08320.45
5.6.130.0070.08320.65
5.6.120.0130.07720.64
5.6.110.0070.08320.66
5.6.100.0030.08720.63
5.6.90.0100.06720.63
5.6.80.0100.07020.00
5.6.70.0030.04320.02
5.6.60.0030.04020.07
5.6.50.0030.03720.02
5.6.40.0000.04019.91
5.6.30.0000.06019.99
5.6.20.0070.03719.98
5.6.10.0100.07719.90
5.6.00.0030.08019.99
5.5.380.0100.06720.34
5.5.370.0070.04020.24
5.5.360.0070.04720.55
5.5.350.0100.07320.47
5.5.340.0100.05020.88
5.5.330.0000.09020.86
5.5.320.0130.07321.01
5.5.310.0130.07320.77
5.5.300.0070.08320.86
5.5.290.0030.08720.97
5.5.280.0070.08720.73
5.5.270.0100.08720.99
5.5.260.0100.08020.71
5.5.250.0170.07720.77
5.5.240.0070.08020.07
5.5.230.0130.03320.07
5.5.220.0030.04720.14
5.5.210.0030.07320.32
5.5.200.0070.03720.21
5.5.190.0000.04020.09
5.5.180.0030.05020.29
5.5.160.0100.06020.31
5.5.150.0030.06020.28
5.5.140.0100.04320.27
5.5.130.0000.05720.23
5.5.120.0070.05720.32
5.5.110.0030.05320.23
5.5.100.0000.04320.20
5.5.90.0100.07320.13
5.5.80.0030.07019.96
5.5.70.0100.04319.96
5.5.60.0070.06020.12
5.5.50.0000.04019.95
5.5.40.0000.05720.12
5.5.30.0000.04020.14
5.5.20.0070.03319.99
5.5.10.0000.04020.02
5.5.00.0000.04319.93
5.4.450.0100.07319.50
5.4.440.0000.09019.32
5.4.430.0130.06719.57
5.4.420.0000.06019.44
5.4.410.0130.07019.20
5.4.400.0100.06018.96
5.4.390.0030.05319.00
5.4.380.0070.03318.93
5.4.370.0070.03318.93
5.4.360.0030.03719.12
5.4.350.0070.04019.05
5.4.340.0030.04018.95
5.4.320.0030.07019.09
5.4.310.0070.03319.12
5.4.300.0030.04319.11
5.4.290.0000.04018.93
5.4.280.0070.07718.98
5.4.270.0030.04719.10
5.4.260.0000.04019.11
5.4.250.0130.07018.95
5.4.240.0000.06319.02
5.4.230.0030.04318.97
5.4.220.0070.03719.09
5.4.210.0000.04019.26
5.4.200.0000.04019.07
5.4.190.0000.04019.26
5.4.180.0000.03719.02
5.4.170.0030.05718.92
5.4.160.0100.03019.09
5.4.150.0030.05318.93
5.4.140.0000.04016.25
5.4.130.0000.05316.53
5.4.120.0000.03716.21
5.4.110.0000.03716.37
5.4.100.0070.03016.38
5.4.90.0070.03016.23
5.4.80.0070.05716.18
5.4.70.0100.02716.49
5.4.60.0100.03016.16
5.4.50.0030.03716.48
5.4.40.0030.04316.40
5.4.30.0000.04016.24
5.4.20.0070.04316.15
5.4.10.0070.03316.34
5.4.00.0000.07315.78
5.3.290.0100.07014.54
5.3.280.0070.03714.48
5.3.270.0070.03314.60
5.3.260.0070.03314.49
5.3.250.0000.04014.67
5.3.240.0000.04014.45
5.3.230.0030.03714.49
5.3.220.0030.04714.46
5.3.210.0030.06314.55
5.3.200.0000.06014.58
5.3.190.0000.04014.50
5.3.180.0070.03314.46
5.3.170.0030.04314.45
5.3.160.0070.03314.45
5.3.150.0100.04714.67
5.3.140.0070.03314.63
5.3.130.0070.05014.47
5.3.120.0100.03314.35
5.3.110.0030.03314.54
5.3.100.0130.06014.00
5.3.90.0070.03013.96
5.3.80.0000.08013.95
5.3.70.0170.06013.95
5.3.60.0100.05013.95
5.3.50.0100.06713.87
5.3.40.0070.07314.00
5.3.30.0070.07713.96
5.3.20.0170.06013.51
5.3.10.0070.05313.59
5.3.00.0070.07013.50
5.2.170.0000.05311.95
5.2.160.0100.06311.95
5.2.150.0070.06011.95
5.2.140.0070.06311.95
5.2.130.0030.05311.95
5.2.120.0000.05011.95
5.2.110.0070.04011.95
5.2.100.0030.06711.95
5.2.90.0000.05011.95
5.2.80.0030.06011.95
5.2.70.0030.06711.95
5.2.60.0070.05711.95
5.2.50.0070.05711.95
5.2.40.0000.06711.95
5.2.30.0070.05311.95
5.2.20.0030.06311.95
5.2.10.0000.06711.95
5.2.00.0070.06311.95
5.1.60.0030.04711.95
5.1.50.0070.05311.95
5.1.40.0030.05711.95
5.1.30.0030.05711.95
5.1.20.0000.06311.95
5.1.10.0030.05711.95
5.1.00.0000.03311.95
5.0.50.0130.04011.95
5.0.40.0000.05011.95
5.0.30.0030.07011.95
5.0.20.0030.04311.95
5.0.10.0070.04311.95
5.0.00.0030.05711.95
4.4.90.0000.03711.95
4.4.80.0000.03711.95
4.4.70.0030.03711.95
4.4.60.0030.03711.95
4.4.50.0030.03311.95
4.4.40.0030.05311.95
4.4.30.0070.02711.95
4.4.20.0030.03711.95
4.4.10.0000.03711.95
4.4.00.0100.04711.95
4.3.110.0030.03311.95
4.3.100.0030.03311.95
4.3.90.0070.03011.95
4.3.80.0030.05011.95
4.3.70.0000.03711.95
4.3.60.0000.02711.95
4.3.50.0000.03311.95
4.3.40.0000.05311.95
4.3.30.0000.03011.95
4.3.20.0000.03711.95
4.3.10.0070.03011.95
4.3.00.0000.03311.95

preferences:
41.4 ms | 400 KiB | 5 Q