3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_count('A,B,C,D', ",");

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)
8.5.10.0080.01020.26
8.5.00.0140.00919.67
8.4.150.0010.00114.05
8.4.140.0130.00817.39
8.4.130.0100.01018.46
8.4.120.0090.00224.29
8.4.110.0130.00622.23
8.4.100.0120.00917.50
8.4.90.0110.00820.52
8.4.80.0150.00617.49
8.4.70.0060.01017.62
8.4.60.0110.00818.63
8.4.50.0050.00520.29
8.4.40.0120.00919.66
8.4.30.0100.01018.82
8.4.20.0100.01019.72
8.4.10.0100.01023.84
8.3.280.0080.01318.38
8.3.270.0130.00816.65
8.3.260.0130.00716.64
8.3.250.0100.00618.52
8.3.240.0130.00617.39
8.3.230.0130.00716.52
8.3.220.0070.00316.88
8.3.210.0120.00618.27
8.3.200.0040.00516.68
8.3.190.0110.00816.92
8.3.180.0120.00817.16
8.3.170.0150.00317.24
8.3.160.0070.01020.57
8.3.150.0120.00316.98
8.3.140.0120.00617.24
8.3.130.0080.00018.24
8.3.120.0120.00320.50
8.3.110.0050.00316.51
8.3.100.0090.00018.30
8.3.90.0090.00926.77
8.3.80.0000.00916.75
8.3.70.0070.01716.63
8.3.60.0120.00418.43
8.3.50.0070.01320.13
8.3.40.0090.00620.03
8.3.30.0150.00318.37
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0070.00026.16
8.2.290.0060.01120.03
8.2.280.0120.00619.97
8.2.270.0030.00616.86
8.2.260.0110.00716.29
8.2.250.0100.00016.32
8.2.240.0090.00016.91
8.2.230.0030.00620.94
8.2.220.0090.00024.06
8.2.210.0040.00426.77
8.2.200.0030.00716.63
8.2.190.0070.01018.00
8.2.180.0090.00925.92
8.2.170.0150.00018.75
8.2.160.0160.00322.96
8.2.150.0080.00625.66
8.2.140.0040.01124.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0170.00319.15
8.2.100.0040.00819.45
8.2.90.0000.00719.09
8.2.80.0050.00317.97
8.2.70.0080.00017.38
8.2.60.0030.00517.93
8.2.50.0110.00418.07
8.2.40.0000.00919.88
8.2.30.0080.00017.88
8.2.20.0030.00320.48
8.2.10.0040.00417.86
8.2.00.0040.00419.02
8.1.330.0080.01021.87
8.1.320.0110.00815.89
8.1.310.0090.00918.43
8.1.300.0080.00820.06
8.1.290.0050.00530.84
8.1.280.0070.01425.92
8.1.270.0080.00022.02
8.1.260.0110.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.71
8.1.230.0030.00920.88
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00716.85
8.1.180.0040.00418.10
8.1.170.0000.00918.53
8.1.160.0080.00018.75
8.1.150.0000.00818.53
8.1.140.0000.00717.22
8.1.130.0030.00317.23
8.1.120.0110.00417.29
8.1.110.0090.00417.29
8.1.100.0050.00517.38
8.1.90.0050.00517.25
8.1.80.0150.00017.40
8.1.70.0100.00717.39
8.1.60.0150.00417.45
8.1.50.0090.00917.37
8.1.40.0120.00617.40
8.1.30.0120.00817.48
8.1.20.0120.00617.43
8.1.10.0090.00917.49
8.1.00.0000.00917.38
8.0.300.0030.00618.77
8.0.290.0060.00316.63
8.0.280.0040.00418.22
8.0.270.0030.00317.18
8.0.260.0030.00316.78
8.0.250.0000.01416.71
8.0.240.0060.01016.70
8.0.230.0120.00216.72
8.0.220.0120.00416.71
8.0.210.0120.00316.75
8.0.200.0070.00716.74
8.0.190.0090.00516.65
8.0.180.0070.00716.71
8.0.170.0100.00516.73
8.0.160.0110.00216.77
8.0.150.0110.00316.67
8.0.140.0070.00416.59
8.0.130.0110.00316.65
8.0.120.0160.00016.66
8.0.110.0060.00916.55
8.0.100.0110.00716.70
8.0.90.0110.00616.58
8.0.80.0130.00416.73
8.0.70.0120.00616.66
8.0.60.0130.00316.71
8.0.50.0070.00716.49
8.0.30.0130.00416.58
8.0.20.0110.00516.75
8.0.10.0120.00316.84
7.4.330.0110.00214.29
7.4.320.0110.00516.28
7.4.300.0100.00716.31
7.4.290.0100.00516.20
7.4.280.0100.00516.20
7.4.270.0130.00416.31
7.4.260.0070.00316.26
7.4.250.0060.00316.28
7.4.240.0050.00516.37
7.4.230.0110.00516.32
7.4.220.0070.00716.27
7.4.210.0110.00416.32
7.4.200.0090.00616.20
7.4.190.0000.00916.25
7.4.180.0000.00916.43
7.4.160.0070.00016.27
7.4.150.0080.00016.27
7.4.140.0030.00516.26
7.4.130.0080.00016.13
7.4.120.0080.00016.25
7.4.110.0080.00016.14
7.4.100.0060.00316.23
7.4.90.0060.00216.13
7.4.80.0080.00316.24
7.4.70.0070.00316.31
7.4.60.0080.00216.23
7.4.50.0070.00016.25
7.4.40.0020.00716.22
7.4.30.0040.00416.16
7.4.20.0000.00716.35
7.4.10.0030.00716.26
7.4.00.0080.00416.13

preferences:
126.87 ms | 403 KiB | 5 Q