3v4l.org

run code in 300+ PHP versions simultaneously
<?php $currencies = ['PLN', 'USD']; foreach($currencies as $currency) { $var = 'data' . $currency; ${$var}[] = 'blah'; } var_dump($dataPLN); var_dump($dataUSD);

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)
8.3.70.0090.00616.62
8.3.60.0110.00416.47
8.3.50.0070.00719.98
8.3.40.0070.00720.29
8.3.30.0040.01118.55
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0080.00026.16
8.2.190.0210.00016.75
8.2.180.0130.00925.92
8.2.170.0090.00618.89
8.2.160.0110.00422.96
8.2.150.0050.00325.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.76
8.2.110.0040.00822.08
8.2.100.0100.00317.66
8.2.90.0080.00017.50
8.2.80.0090.00018.73
8.2.70.0070.00317.63
8.2.60.0040.00418.05
8.2.50.0000.00918.07
8.2.40.0040.00418.22
8.2.30.0050.00318.10
8.2.20.0040.00419.26
8.2.10.0040.00418.11
8.2.00.0000.00919.21
8.1.280.0060.01325.92
8.1.270.0070.01122.14
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0100.00019.27
8.1.230.0080.00317.71
8.1.220.0000.00717.79
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0080.00017.34
8.1.180.0050.00318.10
8.1.170.0030.00618.59
8.1.160.0000.00718.88
8.1.150.0000.00818.63
8.1.140.0050.00317.48
8.1.130.0040.00417.51
8.1.120.0000.00717.34
8.1.110.0110.00617.39
8.1.100.0090.00717.34
8.1.90.0160.00017.30
8.1.80.0140.00217.34
8.1.70.0090.00617.30
8.1.60.0160.00317.38
8.1.50.0100.00817.51
8.1.40.0110.00617.48
8.1.30.0150.00417.48
8.1.20.0120.00017.48
8.1.10.0040.01117.43
8.1.00.0120.00317.38
8.0.300.0000.00818.77
8.0.290.0060.00316.63
8.0.280.0040.00420.15
8.0.270.0000.00718.06
8.0.260.0000.00716.72
8.0.250.0030.00316.88
8.0.240.0060.00316.93
8.0.230.0060.00616.75
8.0.220.0120.00316.86
8.0.210.0070.00716.73
8.0.200.0090.00616.86
8.0.190.0110.00416.88
8.0.180.0120.00316.85
8.0.170.0110.00316.80
8.0.160.0040.00716.61
8.0.150.0040.00716.67
8.0.140.0060.00616.66
8.0.130.0150.00016.75
8.0.120.0120.00316.70
8.0.110.0090.00516.77
8.0.100.0060.00916.71
8.0.90.0100.00516.76
8.0.80.0110.00416.83
8.0.70.0150.00016.69
8.0.60.0040.01116.73
8.0.50.0080.00816.86
8.0.30.0030.01016.87
8.0.20.0100.00316.88
8.0.10.0130.00017.06
7.4.330.0000.00515.55
7.4.320.0100.00216.31
7.4.300.0070.00716.29
7.4.290.0130.00016.57
7.4.280.0160.00216.52
7.4.270.0120.00016.46
7.4.260.0060.00616.45
7.4.250.0130.00016.52
7.4.240.0000.01116.48
7.4.230.0120.00016.42
7.4.220.0090.00416.48
7.4.210.0120.00016.36
7.4.200.0080.00416.56
7.4.190.0100.00616.66
7.4.180.0140.00016.58
7.4.160.0100.00316.36
7.4.150.0090.00316.36
7.4.140.0000.01416.32
7.4.130.0090.00316.26
7.4.120.0070.00716.41
7.4.110.0100.00716.34
7.4.100.0090.00316.47
7.4.90.0070.00716.27
7.4.80.0110.00016.19
7.4.70.0030.00716.36
7.4.60.0060.00616.34
7.4.50.0080.00416.32
7.4.40.0100.00316.39
7.4.30.0030.00816.11
7.4.20.0030.00616.27
7.4.10.0090.00016.27
7.4.00.0100.00316.45

preferences:
34.67 ms | 401 KiB | 5 Q