3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'time'; $b = 'more'; $array = compact( array( 'a', 'b' ) ); var_dump($array); var_dump($array['a']); echo PHP_EOL; $array = compact( 'a', 'b' ); var_dump($array); var_dump($array['a']);

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)
8.3.60.0140.00018.43
8.3.50.0150.00620.21
8.3.40.0090.00918.91
8.3.30.0140.00019.17
8.3.20.0060.00324.18
8.3.10.0000.00924.66
8.3.00.0050.00326.16
8.2.180.0060.01225.92
8.2.170.0170.00319.09
8.2.160.0040.01122.96
8.2.150.0070.00025.66
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0000.00826.16
8.2.110.0030.00719.18
8.2.100.0120.00017.91
8.2.90.0000.00919.21
8.2.80.0090.00017.97
8.2.70.0050.00517.25
8.2.60.0030.00618.05
8.2.50.0040.00418.07
8.2.40.0060.00318.28
8.2.30.0000.00718.26
8.2.20.0040.00420.40
8.2.10.0070.00018.11
8.2.00.0040.00419.29
8.1.280.0100.01025.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0080.00417.64
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.51
8.1.160.0030.00618.86
8.1.150.0050.00318.57
8.1.140.0040.00417.30
8.1.130.0080.00018.73
8.1.120.0000.00717.38
8.1.110.0030.00517.38
8.1.100.0040.00417.34
8.1.90.0000.00717.27
8.1.80.0040.00417.41
8.1.70.0000.00717.41
8.1.60.0030.00517.41
8.1.50.0080.00017.31
8.1.40.0200.00017.30
8.1.30.0220.00617.49
8.1.20.0170.00417.54
8.1.10.0250.00317.54
8.1.00.0210.00717.48
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0050.00318.42
8.0.270.0030.00316.72
8.0.260.0030.00318.43
8.0.250.0000.00716.87
8.0.240.0080.00016.79
8.0.230.0030.00316.78
8.0.220.0000.00716.71
8.0.210.0070.00016.86
8.0.200.0090.00016.74
8.0.190.0040.00416.75
8.0.180.0040.00416.73
8.0.170.0040.00816.78
8.0.160.0150.00816.79
8.0.150.0170.00716.70
8.0.140.0190.00316.78
8.0.130.0190.00016.79
8.0.120.0130.00816.77
8.0.110.0180.00316.81
8.0.100.0100.01316.68
8.0.90.0170.00416.79
8.0.80.0140.00716.82
8.0.70.0140.00716.64
8.0.60.0110.00816.74
8.0.50.0170.00616.68
8.0.30.0170.00716.86
8.0.20.0170.00616.85
8.0.10.0140.00816.86
7.4.330.0020.00215.55
7.4.320.0030.00316.53
7.4.300.0000.00816.44
7.4.290.0030.00316.24
7.4.280.0030.00516.52
7.4.270.0190.00616.39
7.4.260.0200.00316.43
7.4.250.0170.00716.46
7.4.240.0140.00816.45
7.4.230.0170.00616.55
7.4.220.0210.00016.40
7.4.210.0210.00016.40
7.4.200.0200.00016.38
7.4.190.0160.00316.41
7.4.180.0100.01016.55
7.4.160.0150.00516.52
7.4.150.0210.00016.44
7.4.140.0170.00416.30
7.4.130.0160.00416.34
7.4.120.0150.00516.50
7.4.110.0160.00416.27
7.4.100.0170.00416.35
7.4.90.0130.00716.29
7.4.80.0000.01716.50
7.4.70.0130.00316.31
7.4.60.0130.00516.40
7.4.50.0150.00616.27
7.4.40.0170.00316.29
7.4.30.0160.00016.29
7.4.20.0180.00016.36
7.4.10.0070.01116.27
7.4.00.0070.00716.40

preferences:
56.38 ms | 400 KiB | 5 Q