3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name='foo'; $param_foo='hello'; var_dump(${'param_' . $name}, "${'param_' . $name}", "{${'param_' . $name}}");

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)
8.3.70.0120.00816.58
8.3.60.0140.00318.68
8.3.50.0120.00320.49
8.3.40.0090.00918.93
8.3.30.0120.00619.22
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.190.0040.01116.62
8.2.180.0150.00625.92
8.2.170.0070.01519.08
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00319.77
8.2.110.0030.00622.14
8.2.100.0080.00417.84
8.2.90.0080.00018.03
8.2.80.0050.00218.16
8.2.70.0040.00419.53
8.2.60.0040.00417.50
8.2.50.0040.00417.63
8.2.40.0080.00017.63
8.2.30.0060.00318.30
8.2.20.0040.00420.30
8.2.10.0060.00318.05
8.2.00.0050.00219.09
8.1.280.0160.00625.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.00322.34
8.1.230.0000.01120.92
8.1.220.0050.00317.74
8.1.210.0050.00518.85
8.1.200.0000.00817.35
8.1.190.0040.00417.22
8.1.180.0080.00018.10
8.1.170.0000.00817.62
8.1.160.0000.00718.89
8.1.150.0040.00418.63
8.1.140.0030.00617.49
8.1.130.0000.00717.35
8.1.120.0030.00317.45
8.1.110.0020.00517.36
8.1.100.0000.00717.47
8.1.90.0000.00717.46
8.1.80.0000.00817.28
8.1.70.0030.00317.44
8.1.60.0000.00817.60
8.1.50.0040.00417.49
8.1.40.0000.00717.51
8.1.30.0120.00017.52
8.1.20.0110.00417.61
8.1.10.0080.00517.40
8.1.00.0110.00317.40
8.0.300.0040.00419.85
8.0.290.0000.00816.63
8.0.280.0040.00418.44
8.0.270.0030.00316.73
8.0.260.0000.00616.76
8.0.250.0000.00716.84
8.0.240.0030.00317.00
8.0.230.0030.00316.94
8.0.220.0040.00416.92
8.0.210.0030.00316.84
8.0.200.0000.00816.89
8.0.190.0000.00716.96
8.0.180.0040.00416.92
8.0.170.0000.00916.96
8.0.160.0060.00616.84
8.0.150.0090.00416.69
8.0.140.0090.00416.82
8.0.130.0070.00516.72
8.0.120.0130.00216.74
8.0.110.0110.00516.68
8.0.100.0150.00416.72
8.0.90.0170.00216.82
8.0.80.0180.00316.95
8.0.70.0210.00016.75
8.0.60.0210.00016.77
8.0.50.0170.00516.84
8.0.30.0070.00716.84
8.0.20.0040.00916.79
8.0.10.0000.01016.89
7.4.330.0000.00515.55
7.4.320.0000.00616.52
7.4.300.0030.00316.61
7.4.290.0030.00316.55
7.4.280.0040.00716.54
7.4.270.0000.00816.55
7.4.260.0140.00616.57
7.4.250.0080.00816.56
7.4.240.0110.00416.25
7.4.230.0190.00416.36
7.4.220.0110.00816.59
7.4.210.0090.00916.63
7.4.200.0060.00616.59
7.4.190.0090.00316.55
7.4.180.0100.00016.62
7.4.160.0060.00616.52
7.4.150.0140.00016.38
7.4.140.0070.00316.55
7.4.130.0040.00416.41
7.4.120.0110.00416.41
7.4.110.0070.01116.41
7.4.100.0130.00316.48
7.4.90.0170.00316.41
7.4.80.0190.00316.43
7.4.70.0150.00516.26
7.4.60.0150.00416.52
7.4.50.0140.00016.40
7.4.40.0140.00516.34
7.4.30.0100.00716.43
7.4.20.0090.00916.26
7.4.10.0170.00316.27
7.4.00.0170.00416.50

preferences:
18.42 ms | 401 KiB | 5 Q