3v4l.org

run code in 300+ PHP versions simultaneously
<?php define( 'FOO', 'foo' ); define( 'FOO', 'oof' );

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)
8.3.70.0120.00616.63
8.3.60.0140.00718.64
8.3.50.0200.00016.17
8.3.40.0070.00721.79
8.3.30.0070.00718.69
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0050.00226.16
8.2.190.0140.00716.58
8.2.180.0110.01125.92
8.2.170.0110.00419.01
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0070.00726.35
8.2.110.0090.00019.27
8.2.100.0070.00417.66
8.2.90.0040.00417.90
8.2.80.0060.00619.03
8.2.70.0080.00017.50
8.2.60.0080.00017.50
8.2.50.0050.00217.55
8.2.40.0030.00517.78
8.2.30.0030.00617.93
8.2.20.0100.00017.86
8.2.10.0050.00321.01
8.2.00.0030.00518.98
8.1.280.0060.00925.92
8.1.270.0000.00824.02
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.14
8.1.230.0080.00420.86
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0100.00017.11
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0040.00418.75
8.1.150.0040.00418.71
8.1.140.0070.00018.60
8.1.130.0030.00320.06
8.1.120.0040.00317.27
8.1.110.0000.00917.34
8.1.100.0050.00217.36
8.1.90.0040.00417.20
8.1.80.0030.00317.23
8.1.70.0000.00717.32
8.1.60.0030.00517.46
8.1.50.0000.00817.38
8.1.40.0000.00817.38
8.1.30.0040.00417.45
8.1.20.0080.00017.47
8.1.10.0000.00717.36
8.1.00.0040.00417.37
8.0.300.0070.00020.04
8.0.290.0040.00416.61
8.0.280.0000.00718.21
8.0.270.0000.00718.00
8.0.260.0030.00318.32
8.0.250.0000.00716.88
8.0.240.0030.00316.85
8.0.230.0030.00316.75
8.0.220.0030.00316.73
8.0.210.0030.00316.77
8.0.200.0040.00416.88
8.0.190.0040.00416.88
8.0.180.0070.00016.81
8.0.170.0050.00316.85
8.0.160.0000.00716.85
8.0.150.0050.00216.75
8.0.140.0040.00416.66
8.0.130.0050.00013.18
8.0.120.0000.00816.75
8.0.110.0040.00416.86
8.0.100.0040.00416.76
8.0.90.0070.00016.71
8.0.80.0090.00616.77
8.0.70.0040.00416.84
8.0.60.0000.00716.73
8.0.50.0000.00816.77
8.0.30.0140.00317.01
8.0.20.0070.01216.84
8.0.10.0030.00617.00
8.0.00.0120.00616.48
7.4.330.0050.00015.55
7.4.320.0060.00016.38
7.4.300.0030.00316.37
7.4.290.0070.00016.27
7.4.280.0050.00316.41
7.4.270.0030.00316.31
7.4.260.0000.00513.14
7.4.250.0030.00316.45
7.4.240.0000.00716.39
7.4.230.0070.00016.52
7.4.220.0030.00316.43
7.4.210.0060.00916.43
7.4.200.0030.00316.52
7.4.130.0080.01216.34
7.4.120.0140.00416.45
7.4.110.0120.00916.36
7.4.100.0100.01016.13
7.4.90.0100.01016.42
7.4.80.0100.01316.39
7.4.70.0120.00816.16
7.4.60.0120.00916.03
7.4.50.0140.00916.26
7.4.40.0180.00316.45
7.4.30.0140.00716.05
7.4.20.0100.01016.16
7.4.10.0110.01116.45
7.4.00.0090.00916.30
7.3.330.0030.00516.03
7.3.320.0000.00513.12
7.3.310.0000.00616.15
7.3.300.0070.00016.09
7.3.290.0110.00616.26
7.3.260.0090.00916.07
7.3.230.0150.00515.90
7.3.220.0140.00616.43
7.3.210.0190.00016.19
7.3.200.0130.00616.17
7.3.190.0080.01216.21
7.3.180.0160.00916.09
7.3.170.0190.00016.25
7.3.160.0110.00816.06
7.3.150.0120.00816.07
7.3.140.0160.00816.04
7.3.130.0110.00816.10
7.3.120.0130.01115.92
7.3.110.0120.01216.12
7.3.100.0150.01016.14
7.3.90.0190.01416.09
7.3.80.0140.01616.43
7.3.70.0160.01616.19
7.3.60.0170.00916.12
7.3.50.0210.00616.30
7.3.40.0100.01916.07
7.3.30.0130.01516.17
7.3.20.0110.01516.29
7.3.10.0270.00516.24
7.3.00.0200.00816.00
7.2.340.0100.01016.22
7.2.330.0080.01616.16
7.2.320.0120.01216.08
7.2.310.0180.00616.47
7.2.300.0160.00316.08
7.2.290.0160.00316.04
7.2.280.0120.00816.19
7.2.270.0170.00316.16
7.2.260.0090.01216.34
7.2.250.0080.01516.05
7.2.240.0190.00916.08
7.2.230.0130.01416.16
7.2.220.0230.00816.39
7.2.210.0180.01316.27
7.2.200.0110.01616.24
7.2.190.0180.01116.06
7.2.180.0150.01116.27
7.2.170.0170.01216.31
7.2.160.0170.01316.25
7.2.150.0200.01316.37
7.2.140.0150.01516.46
7.2.130.0120.01516.39
7.2.120.0190.01016.17
7.2.110.0500.01116.23
7.2.100.0160.01616.32
7.2.90.0130.01516.41
7.2.80.0130.01016.29
7.2.70.0310.00716.42
7.2.60.0140.01715.98
7.2.50.0220.01916.27
7.2.40.0320.01116.50
7.2.30.0310.00616.29
7.2.20.0340.00516.48
7.2.10.0230.02016.21
7.2.00.0240.01216.27

preferences:
17.73 ms | 401 KiB | 5 Q