3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_count("Hello world! Hello rlynch20!", "Hello"); // 2 echo PHP_EOL; // new line echo substr_count("We should ban bananas.", "ban"); // 2 instead of 1

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)
8.3.60.0110.00316.50
8.3.50.0090.00618.39
8.3.40.0100.00320.82
8.3.30.0110.00418.59
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.180.0100.01025.92
8.2.170.0130.00318.83
8.2.160.0100.00322.96
8.2.150.0060.00325.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.01421.04
8.2.110.0090.00020.35
8.2.100.0070.00717.46
8.2.90.0080.00017.50
8.2.80.0060.00318.49
8.2.70.0080.00017.63
8.2.60.0000.00817.80
8.2.50.0030.01118.07
8.2.40.0030.00519.88
8.2.30.0040.00417.96
8.2.20.0000.00718.09
8.2.10.0000.00719.08
8.2.00.0030.00319.21
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00618.79
8.1.230.0040.00717.60
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00017.23
8.1.190.0050.00316.98
8.1.180.0080.00018.10
8.1.170.0080.00018.44
8.1.160.0040.00418.76
8.1.150.0040.00418.41
8.1.140.0000.00817.27
8.1.130.0000.00718.66
8.1.120.0040.00417.21
8.1.110.0030.00617.23
8.1.100.0070.00017.37
8.1.90.0040.00417.32
8.1.80.0000.00917.22
8.1.70.0030.00317.24
8.1.60.0040.00417.34
8.1.50.0120.00517.38
8.1.40.0110.00517.39
8.1.30.0130.00417.40
8.1.20.0070.00717.41
8.1.10.0100.00317.41
8.1.00.0100.00617.27
8.0.300.0070.00318.77
8.0.290.0060.00316.75
8.0.280.0060.00318.36
8.0.270.0000.00716.80
8.0.260.0000.00618.46
8.0.250.0000.00716.86
8.0.240.0000.00716.84
8.0.230.0000.00616.87
8.0.220.0000.00716.67
8.0.210.0030.00316.68
8.0.200.0000.00616.87
8.0.190.0050.00316.71
8.0.180.0070.00616.76
8.0.170.0140.00016.66
8.0.160.0090.00416.73
8.0.150.0050.00216.61
8.0.140.0010.00816.72
8.0.130.0040.00314.91
8.0.120.0050.00416.64
8.0.110.0100.00016.73
8.0.100.0080.00216.73
8.0.90.0090.00316.61
8.0.80.0070.00516.59
8.0.70.0060.00616.70
8.0.60.0070.00416.63
8.0.50.0060.00216.60
8.0.30.0080.00416.66
8.0.20.0080.00416.81
8.0.10.0030.00716.76
8.0.00.0050.00616.85
7.4.330.0000.00515.55
7.4.320.0000.00616.36
7.4.300.0040.00416.28
7.4.290.0060.00216.23
7.4.280.0030.00616.38
7.4.270.0040.00616.38
7.4.260.0100.00114.67
7.4.250.0100.00616.30
7.4.240.0130.00216.36
7.4.230.0060.00616.46
7.4.220.0060.00616.26
7.4.210.0060.00416.33
7.4.200.0080.00216.41
7.4.190.0060.00616.48
7.4.180.0060.00516.45
7.4.160.0070.00416.41
7.4.150.0060.00416.33
7.4.140.0080.00316.28
7.4.130.0100.00016.30
7.4.120.0080.00216.24
7.4.110.0060.00416.20
7.4.100.0060.00416.32
7.4.90.0060.00516.20
7.4.80.0020.00716.16
7.4.70.0060.00516.22
7.4.60.0050.00416.23
7.4.50.0080.00216.17
7.4.40.0060.00616.20
7.4.30.0090.00416.20
7.4.20.0060.00516.37
7.4.10.0050.00516.36
7.4.00.0080.00516.43
7.3.330.0080.00516.03
7.3.320.0110.00114.55
7.3.310.0060.00716.13
7.3.300.0080.00316.06
7.3.290.0060.00416.13
7.3.280.0070.00416.04
7.3.270.0080.00216.11
7.3.260.0040.00616.01
7.3.250.0080.00316.14
7.3.240.0080.00416.13
7.3.230.0080.00516.07
7.3.220.0080.00215.98
7.3.210.0060.00516.05
7.3.200.0080.00315.97
7.3.190.0070.00416.06
7.3.180.0050.00616.01
7.3.170.0060.00516.03
7.3.160.0060.00516.02
7.3.150.0080.00316.04
7.3.140.0070.00415.97
7.3.130.0090.00215.92
7.3.120.0080.00316.09
7.3.110.0110.00015.98
7.3.100.0060.00416.01
7.3.90.0050.00616.29
7.3.80.0030.00816.04
7.3.70.0070.00316.20
7.3.60.0080.00216.24
7.3.50.0050.00516.25
7.3.40.0100.00116.27
7.3.30.0060.00516.23
7.3.20.0050.00618.04
7.3.10.0090.00218.00
7.3.00.0080.00417.92

preferences:
56.73 ms | 400 KiB | 5 Q