3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_compare("foubar", "bar", 3);

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)
8.3.60.0090.00618.18
8.3.50.0090.01218.03
8.3.40.0140.00018.54
8.3.30.0110.00418.46
8.3.20.0070.00021.77
8.3.10.0040.00423.45
8.3.00.0040.00423.66
8.2.180.0040.01118.04
8.2.170.0170.00322.96
8.2.160.0100.00319.09
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00019.82
8.2.110.0030.00619.36
8.2.100.0040.00717.72
8.2.90.0000.00818.83
8.2.80.0000.00817.97
8.2.70.0090.00019.10
8.2.60.0060.00317.80
8.2.50.0050.00318.10
8.2.40.0000.00720.61
8.2.30.0050.00319.26
8.2.20.0040.00418.04
8.2.10.0000.00717.91
8.2.00.0000.00718.15
8.1.280.0150.00625.92
8.1.270.0000.00922.02
8.1.260.0030.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00621.25
8.1.230.0080.00420.31
8.1.220.0070.00017.74
8.1.210.0030.00618.77
8.1.200.0090.00017.10
8.1.190.0050.00316.98
8.1.180.0030.00618.10
8.1.170.0000.00818.52
8.1.160.0000.00818.71
8.1.150.0040.00418.63
8.1.140.0070.00019.19
8.1.130.0070.00017.44
8.1.120.0030.00317.25
8.1.110.0030.00317.30
8.1.100.0040.00417.22
8.1.90.0050.00317.28
8.1.80.0040.00417.37
8.1.70.0030.00317.29
8.1.60.0000.00817.52
8.1.50.0040.00417.36
8.1.40.0070.00017.34
8.1.30.0000.00817.50
8.1.20.0050.00217.45
8.1.10.0060.00317.52
8.1.00.0000.00817.37
8.0.300.0050.00219.03
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0070.00017.21
8.0.260.0000.00617.33
8.0.250.0000.00616.82
8.0.240.0030.00516.96
8.0.230.0060.00016.82
8.0.220.0000.00716.69
8.0.210.0030.00316.82
8.0.200.0000.00616.81
8.0.190.0000.00716.75
8.0.180.0000.00916.78
8.0.170.0040.00416.73
8.0.160.0000.00716.75
8.0.150.0000.00816.65
8.0.140.0100.00016.60
8.0.130.0030.00213.18
8.0.120.0030.00616.58
8.0.110.0040.00416.76
8.0.100.0070.00016.78
8.0.90.0030.00516.82
8.0.80.0100.00916.80
8.0.70.0000.00716.60
8.0.60.0000.00716.82
8.0.50.0040.00416.61
8.0.30.0110.00917.00
8.0.20.0110.01017.40
8.0.10.0040.00416.78
8.0.00.0090.01116.59
7.4.330.0000.00516.70
7.4.320.0030.00316.26
7.4.300.0060.00016.35
7.4.290.0040.00316.34
7.4.280.0050.00316.43
7.4.270.0020.00516.26
7.4.260.0030.00316.44
7.4.250.0000.00716.33
7.4.240.0000.00716.29
7.4.230.0000.00716.45
7.4.220.0070.00016.36
7.4.210.0120.00216.48
7.4.200.0000.00816.45
7.4.160.0070.00916.39
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0030.01616.52
7.4.120.0100.01016.36
7.4.110.0110.00516.47
7.4.100.0100.00716.30
7.4.90.0100.00716.41
7.4.80.0070.01019.39
7.4.70.0130.01016.44
7.4.60.0090.00616.25
7.4.50.0130.00316.39
7.4.40.0030.01216.50
7.4.00.0070.01014.70
7.3.330.0030.00312.96
7.3.320.0030.00312.96
7.3.310.0030.00316.23
7.3.300.0000.00616.01
7.3.290.0030.00316.07
7.3.280.0100.01116.13
7.3.270.0090.00817.40
7.3.260.0080.00916.30
7.3.250.0100.01016.40
7.3.240.0060.01216.32
7.3.230.0100.00716.15
7.3.210.0100.00616.10
7.3.200.0110.00816.18
7.3.190.0120.00316.21
7.3.180.0070.01016.26
7.3.170.0090.01216.29
7.3.160.0040.01516.41
7.2.330.0100.00716.28
7.2.320.0080.01116.15
7.2.310.0090.00916.64
7.2.300.0120.01316.52
7.2.290.0000.01616.29
7.2.60.0070.00716.68
7.2.10.0180.01817.76
7.2.00.0190.02217.98
7.1.200.0030.00715.55
7.1.120.0170.01316.65
7.1.110.0220.00815.73
7.1.100.0230.01015.78
7.1.90.0190.00715.70
7.1.80.0200.00915.55
7.1.70.0140.01014.91
7.1.60.0380.01332.97
7.1.50.0330.00732.78
7.1.40.0310.00732.53
7.1.30.0290.01632.44
7.1.20.0310.01232.79
7.1.10.0140.01014.77
7.1.00.0130.01014.73

preferences:
31.57 ms | 400 KiB | 5 Q