3v4l.org

run code in 300+ PHP versions simultaneously
<?php $in = "iwrupvqb"; function bruteforce($input) { $i = 0; echo substr("123456", 5); } bruteforce();

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)
8.3.40.0060.00918.86
8.3.30.0060.00918.73
8.3.20.0060.00320.21
8.3.10.0000.00723.74
8.3.00.0050.00518.09
8.2.170.0110.00422.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00621.04
8.2.120.0000.00826.35
8.2.110.0000.00921.06
8.2.100.0110.00017.78
8.2.90.0080.00018.02
8.2.80.0030.00617.97
8.2.70.0030.00617.38
8.2.60.0150.00017.54
8.2.50.0060.00318.07
8.2.40.0000.00822.03
8.2.30.0000.00720.58
8.2.20.0080.00017.64
8.2.10.0070.00018.11
8.2.00.0040.00417.99
8.1.270.0130.00620.18
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0060.00322.53
8.1.230.0110.00020.96
8.1.220.0050.00317.74
8.1.210.0050.00318.94
8.1.200.0060.00317.25
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0080.00018.56
8.1.160.0000.00720.71
8.1.150.0080.00018.82
8.1.140.0000.00819.57
8.1.130.0030.00317.65
8.1.120.0000.00717.32
8.1.110.0030.00517.42
8.1.100.0030.00617.46
8.1.90.0000.00817.41
8.1.80.0070.00017.40
8.1.70.0040.00417.21
8.1.60.0040.00417.48
8.1.50.0080.00017.44
8.1.40.0000.00817.57
8.1.30.0000.00817.55
8.1.20.0060.00317.57
8.1.10.0000.00717.61
8.1.00.0030.00617.60
8.0.300.0040.00419.90
8.0.290.0000.00816.63
8.0.280.0000.00718.32
8.0.270.0030.00317.19
8.0.260.0030.00317.07
8.0.250.0080.00017.01
8.0.240.0000.00716.97
8.0.230.0040.00416.96
8.0.220.0000.00816.93
8.0.210.0000.00716.96
8.0.200.0070.00316.93
8.0.190.0070.00016.93
8.0.180.0070.00016.80
8.0.170.0000.00716.88
8.0.160.0000.00716.78
8.0.150.0000.00816.78
8.0.140.0040.00316.74
8.0.130.0030.00313.40
8.0.120.0080.00016.89
8.0.110.0070.00016.87
8.0.100.0070.00016.92
8.0.90.0050.00316.81
8.0.80.0090.01316.78
8.0.70.0040.00416.74
8.0.60.0040.00416.80
8.0.50.0040.00416.71
8.0.30.0100.00617.20
8.0.20.0130.00617.40
8.0.10.0030.00316.90
8.0.00.0120.00816.80
7.4.330.0000.00516.77
7.4.320.0030.00316.37
7.4.300.0030.00316.50
7.4.290.0000.00716.58
7.4.280.0040.00416.57
7.4.270.0000.00716.46
7.4.260.0000.00716.58
7.4.250.0040.00416.57
7.4.240.0000.00716.51
7.4.230.0060.00016.49
7.4.220.0160.00916.64
7.4.210.0160.00516.55
7.4.200.0030.00316.64
7.4.160.0120.00316.39
7.4.150.0040.01317.40
7.4.140.0160.00517.86
7.4.130.0150.00416.59
7.4.120.0140.00916.45
7.4.110.0110.00716.31
7.4.100.0120.00616.50
7.4.90.0030.01316.62
7.4.80.0100.01319.39
7.4.70.0110.00516.58
7.4.60.0080.00816.38
7.4.50.0040.01116.60
7.4.40.0100.00616.57
7.4.30.0120.00916.64
7.4.00.0070.00715.14
7.3.330.0000.00713.28
7.3.320.0030.00213.38
7.3.310.0000.00716.41
7.3.300.0000.00716.26
7.3.290.0000.00716.11
7.3.280.0080.01016.30
7.3.270.0120.00617.40
7.3.260.0100.00716.55
7.3.250.0090.01116.35
7.3.240.0100.01116.38
7.3.230.0120.00916.39
7.3.210.0060.01016.50
7.3.200.0080.00816.33
7.3.190.0100.01016.23
7.3.180.0160.00616.43
7.3.170.0030.01316.41
7.3.160.0110.01116.42
7.2.330.0090.00916.65
7.2.320.0140.00816.59
7.2.310.0060.01216.18
7.2.300.0100.00716.59
7.2.290.0040.01716.27
7.2.60.0030.01316.84
7.2.00.0000.01219.41
7.1.200.0000.00915.61
7.1.100.0000.00818.07
7.1.70.0030.00916.97
7.1.60.0140.01119.44
7.1.50.0160.00534.72
7.1.00.0030.07722.47
7.0.200.0040.00416.48
7.0.60.0100.06719.86
7.0.50.0130.07317.86
7.0.40.0200.04020.24
7.0.30.0430.04320.08
7.0.20.0330.05320.10
7.0.10.0130.08020.24
7.0.00.0130.03320.15
5.6.280.0100.07021.04
5.6.210.0100.03320.69
5.6.200.0100.08018.22
5.6.190.0070.04020.41
5.6.180.0230.07320.64
5.6.170.0230.04320.58
5.6.160.0000.06720.55
5.6.150.0100.07018.29
5.6.140.0100.05018.28
5.6.130.0070.04018.18
5.6.120.0100.06721.12
5.6.110.0000.06020.99
5.6.100.0000.04321.09
5.6.90.0230.06020.98
5.6.80.0130.04020.39
5.5.350.0200.07720.34
5.5.340.0000.09317.98
5.5.330.0000.04320.28
5.5.320.0330.07720.25
5.5.310.0370.04020.30
5.5.300.0070.03718.08
5.5.290.0070.07318.07
5.5.280.0130.07720.65
5.5.270.0100.08720.84
5.5.260.0100.05320.97
5.5.250.0100.07020.58
5.5.240.0200.03720.26

preferences:
38.99 ms | 400 KiB | 5 Q