3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strpos(trim('Mr N/A N/A'), 'Concern') !== false);

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)
8.3.60.0100.00718.06
8.3.50.0070.00716.63
8.3.40.0090.00618.54
8.3.30.0140.00418.55
8.3.20.0030.00320.21
8.3.10.0060.00321.78
8.3.00.0050.00319.55
8.2.180.0120.00618.29
8.2.170.0040.01122.96
8.2.160.0110.00418.84
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00419.08
8.2.120.0070.00026.35
8.2.110.0030.00722.25
8.2.100.0080.00417.78
8.2.90.0000.00919.11
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0030.00617.91
8.2.50.0050.00318.10
8.2.40.0030.00620.63
8.2.30.0040.00418.97
8.2.20.0000.00718.03
8.2.10.0000.00717.80
8.2.00.0050.00217.96
8.1.280.0040.01125.92
8.1.270.0080.00021.96
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0090.00022.11
8.1.230.0050.00517.77
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0050.00517.25
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0000.00818.65
8.1.160.0030.00318.85
8.1.150.0050.00518.66
8.1.140.0000.00819.43
8.1.130.0000.00717.32
8.1.120.0030.00417.35
8.1.110.0000.00817.23
8.1.100.0000.00717.25
8.1.90.0040.00417.30
8.1.80.0000.00817.32
8.1.70.0030.00317.34
8.1.60.0040.00417.48
8.1.50.0030.00617.40
8.1.40.0060.00317.37
8.1.30.0040.00417.47
8.1.20.0050.00217.48
8.1.10.0000.00717.29
8.1.00.0000.00717.29
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00818.32
8.0.270.0000.00717.11
8.0.260.0030.00316.72
8.0.250.0050.00316.78
8.0.240.0030.00316.86
8.0.230.0030.00716.85
8.0.220.0080.00016.75
8.0.210.0050.00316.64
8.0.200.0030.00316.69
8.0.190.0000.00816.79
8.0.180.0000.00716.66
8.0.170.0000.00716.74
8.0.160.0030.00516.61
8.0.150.0000.00716.60
8.0.140.0030.00516.69
8.0.130.0000.00613.19
8.0.120.0080.00016.75
8.0.110.0000.00716.61
8.0.100.0040.00416.75
8.0.90.0040.00416.81
8.0.80.0080.00716.80
8.0.70.0000.00716.82
8.0.60.0000.00716.62
8.0.50.0040.00316.79
8.0.30.0060.01116.99
8.0.20.0140.00517.40
8.0.10.0000.00716.77
8.0.00.0130.00416.49
7.4.330.0060.00015.55
7.4.320.0000.00616.56
7.4.300.0060.00016.37
7.4.290.0040.00416.55
7.4.280.0040.00416.27
7.4.270.0000.00716.32
7.4.260.0000.00716.46
7.4.250.0030.00616.41
7.4.240.0040.00416.53
7.4.230.0070.00016.31
7.4.220.0090.01316.41
7.4.210.0030.01216.55
7.4.200.0070.00016.25
7.4.160.0130.00616.57
7.4.150.0140.00417.40
7.4.140.0060.01317.86
7.4.130.0110.00716.48
7.4.120.0090.01016.34
7.3.330.0020.00213.06
7.3.320.0030.00313.03
7.3.310.0040.00416.23
7.3.300.0030.00316.04
7.3.290.0050.00816.16
7.3.280.0100.00916.16
7.3.270.0100.00717.40
7.3.260.0130.00616.46
7.3.250.0110.00816.25
7.3.240.0150.00816.30

preferences:
76.7 ms | 401 KiB | 5 Q