3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 'evens'; if(strlen($test) < 5){ return false; } else{ return substr($test, 0, 5) != 'event'; }

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)
8.3.60.0100.01016.38
8.3.50.0090.00822.06
8.3.40.0070.00718.72
8.3.30.0110.00718.55
8.3.20.0040.00418.57
8.3.10.0070.00021.77
8.3.00.0040.00423.65
8.2.180.0070.00718.16
8.2.170.0140.00322.96
8.2.160.0040.01122.06
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0060.00319.57
8.2.120.0040.00426.35
8.2.110.0070.00319.45
8.2.100.0090.00317.86
8.2.90.0040.00417.50
8.2.80.0080.00018.04
8.2.70.0040.00417.90
8.2.60.0040.00418.09
8.2.50.0050.00318.10
8.2.40.0030.00520.64
8.2.30.0000.00819.10
8.2.20.0000.00717.88
8.2.10.0040.00417.98
8.2.00.0040.00417.59
8.1.280.0040.01125.92
8.1.270.0000.00822.02
8.1.260.0000.00728.09
8.1.250.0050.00228.09
8.1.240.0090.00023.76
8.1.230.0070.00420.92
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00817.36
8.1.190.0050.00317.13
8.1.180.0080.00018.10
8.1.170.0040.00418.95
8.1.160.0080.00022.13
8.1.150.0000.00720.30
8.1.140.0040.00419.65
8.1.130.0000.00717.60
8.1.120.0030.00417.43
8.1.110.0000.00817.43
8.1.100.0000.00717.50
8.1.90.0040.00417.45
8.1.80.0000.00817.48
8.1.70.0040.00417.40
8.1.60.0060.00317.54
8.1.50.0050.00317.41
8.1.40.0000.00817.54
8.1.30.0050.00317.64
8.1.20.0040.00417.60
8.1.10.0040.00417.39
8.1.00.0000.01117.45
8.0.300.0070.00019.98
8.0.290.0050.00216.63
8.0.280.0030.00318.44
8.0.270.0070.00017.18
8.0.260.0000.00617.24
8.0.250.0060.00016.88
8.0.240.0060.00016.84
8.0.230.0040.00416.89
8.0.220.0000.00716.80
8.0.210.0000.00716.83
8.0.200.0040.00416.87
8.0.190.0040.00416.82
8.0.180.0030.00516.82
8.0.170.0000.00716.82
8.0.160.0000.00716.86
8.0.150.0000.00716.75
8.0.140.0040.00416.67
8.0.130.0000.00613.24
8.0.120.0040.00416.76
8.0.110.0000.00716.70
8.0.100.0040.00416.70
8.0.90.0070.00016.68
8.0.80.0100.00616.80
8.0.70.0070.00016.64
8.0.60.0000.00716.68
8.0.50.0050.00316.75
8.0.30.0100.00916.96
8.0.20.0140.00417.40
8.0.10.0050.00217.00
8.0.00.0070.01016.63
7.4.330.0030.00315.55
7.4.320.0000.00616.54
7.4.300.0000.00716.61
7.4.290.0000.00716.56
7.4.280.0030.00616.63
7.4.270.0030.00316.57
7.4.260.0040.00816.45
7.4.250.0040.00416.59
7.4.240.0040.00416.59
7.4.230.0030.00316.23
7.4.220.0080.00916.59
7.4.210.0040.01216.54
7.4.200.0020.00516.61
7.4.160.0030.01216.50
7.4.150.0070.01017.40
7.4.140.0140.00517.86
7.4.130.0130.00616.56
7.4.120.0080.01016.39
7.4.110.0130.00616.47
7.4.100.0030.01316.36
7.4.90.0090.00916.32
7.4.80.0150.00319.39
7.4.70.0100.00716.42
7.4.60.0060.01016.69
7.4.50.0090.00916.58
7.4.40.0130.00316.62
7.4.30.0060.01016.50
7.4.00.0130.00014.98
7.3.330.0030.00313.09
7.3.320.0050.00013.01
7.3.310.0000.00716.32
7.3.300.0070.00016.14
7.3.290.0090.00716.26
7.3.280.0100.00916.27
7.3.270.0070.01017.40
7.3.260.0110.00616.33
7.3.250.0110.00916.40
7.3.240.0070.01116.36
7.3.230.0160.00516.50
7.3.210.0070.01016.41
7.3.200.0030.01316.25
7.3.190.0160.00016.38
7.3.180.0100.00716.29
7.3.170.0030.01316.43
7.3.160.0150.00916.20
7.3.10.0070.00716.66
7.3.00.0070.00716.68
7.2.330.0030.01316.50
7.2.320.0030.01316.55
7.2.310.0100.00616.36
7.2.300.0070.01116.65
7.2.290.0090.01316.51
7.2.130.0070.00716.80
7.2.120.0060.00916.78
7.2.110.0090.00716.67
7.2.100.0070.01016.68
7.2.90.0090.00616.88
7.2.80.0030.00816.86
7.2.70.0070.01016.78
7.2.60.0100.00716.66
7.2.50.0140.00016.79
7.2.40.0000.01216.87
7.2.30.0080.00816.93
7.2.20.0060.00616.66
7.2.10.0100.00316.82
7.2.00.0040.01217.32
7.1.250.0070.00715.61
7.1.70.0000.01017.15
7.1.60.0000.01217.16
7.1.00.0100.06722.43
7.0.200.0050.00316.82
7.0.120.0130.05022.14
7.0.110.0070.06022.07
7.0.100.0030.06022.01
7.0.90.0100.05722.22
7.0.80.0170.05722.11
7.0.70.0130.05722.10
7.0.60.0200.05021.96
7.0.50.0030.06321.99
7.0.40.0100.06022.06
7.0.30.0030.05722.10
7.0.20.0070.05722.07
7.0.10.0070.05722.02
7.0.00.0000.07022.05
5.6.270.0100.05721.13
5.6.260.0100.05321.01
5.6.250.0100.05320.84
5.6.240.0200.04720.94
5.6.230.0200.06021.02
5.6.220.0100.05321.05
5.6.210.0130.04720.90
5.6.200.0030.06320.83
5.6.190.0070.05320.82
5.6.180.0070.05320.75
5.6.170.0130.05020.94
5.6.160.0170.06021.04
5.6.150.0100.05720.84
5.6.140.0100.05720.79
5.6.130.0070.05720.84
5.6.120.0000.06720.83
5.6.110.0130.05720.93
5.6.100.0030.06020.82
5.6.90.0070.05320.81
5.6.80.0030.05720.46
5.6.70.0070.05320.30
5.6.60.0070.06020.43
5.6.50.0070.05720.18
5.6.40.0130.04720.38
5.6.30.0100.05320.11
5.6.20.0130.05320.44
5.6.10.0070.05320.44
5.6.00.0070.05320.39

preferences:
36.84 ms | 401 KiB | 5 Q