3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=substr(strrev(strtolower('asdaA')),0,4); $b=hexdec('BFF'); $a^$b;

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)
8.3.60.0170.00316.63
8.3.50.0140.00422.11
8.3.40.0090.00618.79
8.3.30.0110.00418.54
8.3.20.0000.00720.10
8.3.10.0080.00023.48
8.3.00.0040.00419.38
8.2.180.0110.00716.75
8.2.170.0030.01022.96
8.2.160.0080.00520.25
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0070.00322.27
8.2.100.0090.00317.80
8.2.90.0040.00419.07
8.2.80.0000.00817.97
8.2.70.0000.00817.59
8.2.60.0060.00617.80
8.2.50.0080.00418.07
8.2.40.0050.00219.41
8.2.30.0000.00720.68
8.2.20.0030.00517.85
8.2.10.0080.00017.96
8.2.00.0030.00617.92
8.1.280.0060.01525.92
8.1.270.0080.00023.97
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00722.53
8.1.230.0030.00917.65
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00817.38
8.1.190.0040.00417.25
8.1.180.0000.00718.10
8.1.170.0030.00518.56
8.1.160.0030.00322.01
8.1.150.0000.00720.68
8.1.140.0040.00419.55
8.1.130.0070.00017.51
8.1.120.0000.00717.38
8.1.110.0040.00417.30
8.1.100.0040.00417.30
8.1.90.0040.00417.39
8.1.80.0040.00417.25
8.1.70.0000.00717.33
8.1.60.0000.00817.41
8.1.50.0030.00517.55
8.1.40.0040.00417.35
8.1.30.0000.00817.57
8.1.20.0000.00817.48
8.1.10.0000.00717.47
8.1.00.0030.00717.52
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.51
8.0.270.0030.00317.10
8.0.260.0000.00717.32
8.0.250.0000.00816.95
8.0.240.0000.00716.93
8.0.230.0040.00417.01
8.0.220.0000.01016.91
8.0.210.0040.00416.93
8.0.200.0060.00016.86
8.0.190.0080.00016.88
8.0.180.0040.00416.98
8.0.170.0050.00316.86
8.0.160.0070.00016.95
8.0.150.0000.00716.81
8.0.140.0030.00516.65
8.0.130.0030.00313.29
8.0.120.0000.00816.91
8.0.110.0040.00416.94
8.0.100.0070.00016.93
8.0.90.0030.00416.88
8.0.80.0120.00416.93
8.0.70.0040.00416.80
8.0.60.0000.00716.88
8.0.50.0000.00816.67
8.0.30.0110.00717.15
8.0.20.0100.01017.40
8.0.10.0070.00016.95
8.0.00.0070.01416.58
7.4.330.0050.00015.08
7.4.320.0070.00016.44
7.4.300.0000.00616.44
7.4.290.0000.00716.34
7.4.280.0050.00216.36
7.4.270.0000.00716.52
7.4.260.0070.00016.41
7.4.250.0040.00416.32
7.4.240.0050.00216.36
7.4.230.0000.00716.23
7.4.220.0070.01116.47
7.4.210.0100.01016.43
7.4.200.0040.00416.34
7.4.160.0060.01016.30
7.4.150.0150.00317.40
7.4.140.0120.01017.86
7.4.130.0120.00916.59
7.4.120.0130.00416.46
7.4.110.0070.01716.50
7.4.100.0090.00916.39
7.4.90.0030.01316.40
7.4.80.0110.00619.39
7.4.70.0130.00316.38
7.4.60.0060.00916.31
7.4.50.0000.00816.40
7.4.40.0030.01316.40
7.4.30.0060.01116.48
7.4.00.0030.00614.88
7.3.330.0000.00513.10
7.3.320.0000.00613.10
7.3.310.0030.00316.20
7.3.300.0000.00616.30
7.3.290.0080.00716.29
7.3.280.0060.00816.23
7.3.270.0070.01117.40
7.3.260.0150.00816.42
7.3.250.0100.00916.36
7.3.240.0100.00816.25
7.3.230.0120.00616.39
7.3.210.0140.00416.34
7.3.200.0100.00716.43
7.3.190.0130.00316.40
7.3.180.0150.00016.51
7.3.170.0110.01016.35
7.3.160.0110.01116.52
7.2.330.0040.01416.59
7.2.320.0110.00916.50
7.2.310.0060.00916.65
7.2.300.0060.01216.41
7.2.290.0100.01316.50
7.2.60.0040.01116.77
7.2.00.0080.00319.47
7.1.200.0070.00315.72
7.1.100.0030.00918.08
7.1.70.0000.00716.94
7.1.60.0160.01019.48
7.1.50.0030.01016.90
7.1.00.0100.07022.32
7.0.200.0110.00014.79
7.0.60.0030.05319.85
7.0.50.0000.04317.79
7.0.40.0100.07020.21
7.0.30.0330.07320.16
7.0.20.0200.09020.18
7.0.10.0070.04720.16
7.0.00.0070.04020.08
5.6.280.0030.06721.09
5.6.210.0170.07020.64
5.6.200.0100.04318.17
5.6.190.0070.08020.57
5.6.180.0300.05720.32
5.6.170.0270.07720.48
5.6.160.0100.08020.49
5.6.150.0030.08018.12
5.6.140.0070.08018.21
5.6.130.0030.07718.12
5.6.120.0070.07720.98
5.6.110.0100.08021.02
5.6.100.0030.07021.10
5.6.90.0100.07320.92
5.6.80.0070.08320.52
5.5.350.0100.05320.29
5.5.340.0030.04018.01
5.5.330.0030.05320.23
5.5.320.0230.07020.24
5.5.310.0200.04720.31
5.5.300.0070.05718.02
5.5.290.0070.08717.89
5.5.280.0070.08320.75
5.5.270.0100.05720.87
5.5.260.0030.05020.86
5.5.250.0100.07720.67
5.5.240.0230.04320.12

preferences:
57.98 ms | 401 KiB | 5 Q