3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = " "; print_r(array($key => 1));

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)
8.3.70.0090.00618.18
8.3.60.0070.00718.43
8.3.50.0110.00316.50
8.3.40.0110.00418.73
8.3.30.0070.00718.59
8.3.20.0070.00021.63
8.3.10.0000.00821.65
8.3.00.0030.00519.02
8.2.190.0070.00716.58
8.2.180.0040.01118.09
8.2.170.0040.01122.96
8.2.160.0100.00320.40
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00819.36
8.2.110.0100.00021.05
8.2.100.0080.00417.91
8.2.90.0080.00017.84
8.2.80.0040.00419.11
8.2.70.0040.00417.80
8.2.60.0000.00817.63
8.2.50.0040.00418.22
8.2.40.0050.00220.38
8.2.30.0040.00419.35
8.2.20.0040.00418.10
8.2.10.0070.00017.59
8.2.00.0040.00418.04
8.1.280.0040.01125.92
8.1.270.0040.00424.01
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00920.58
8.1.230.0070.00420.95
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.76
8.1.160.0040.00418.73
8.1.150.0000.00718.91
8.1.140.0050.00317.54
8.1.130.0030.00320.36
8.1.120.0050.00217.41
8.1.110.0040.00417.27
8.1.100.0040.00417.35
8.1.90.0030.00317.34
8.1.80.0030.00617.41
8.1.70.0000.00717.29
8.1.60.0040.00417.55
8.1.50.0030.00517.43
8.1.40.0060.00317.48
8.1.30.0000.00817.47
8.1.20.0040.00417.38
8.1.10.0080.00017.46
8.1.00.0000.00817.37
8.0.300.0050.00219.91
8.0.290.0040.00416.63
8.0.280.0000.00718.38
8.0.270.0070.00017.17
8.0.260.0030.00316.66
8.0.250.0030.00416.87
8.0.240.0030.00516.85
8.0.230.0000.00616.87
8.0.220.0000.00716.72
8.0.210.0030.00316.73
8.0.200.0000.00716.74
8.0.190.0080.00016.82
8.0.180.0040.00416.72
8.0.170.0030.00616.71
8.0.160.0030.00316.90
8.0.150.0000.00716.71
8.0.140.0060.00616.80
8.0.130.0060.00013.20
8.0.120.0040.00416.68
8.0.110.0000.00716.63
8.0.100.0000.00716.71
8.0.90.0000.00816.67
8.0.80.0060.00916.80
8.0.70.0040.00416.71
8.0.60.0000.00716.72
8.0.50.0050.00316.72
8.0.30.0120.00716.97
8.0.20.0080.01017.40
8.0.10.0040.00416.85
8.0.00.0090.00916.69
7.4.330.0000.00515.55
7.4.320.0030.00316.42
7.4.300.0070.00016.55
7.4.290.0000.00716.52
7.4.280.0030.00616.50
7.4.270.0070.00016.43
7.4.260.0030.00616.27
7.4.250.0030.00316.40
7.4.240.0050.00216.54
7.4.230.0000.00716.22
7.4.220.0050.00216.55
7.4.210.0040.01016.50
7.4.200.0000.00716.50
7.4.160.0120.00316.38
7.4.140.0110.00717.86
7.4.130.0060.01216.48
7.4.120.0090.00916.36
7.4.110.0110.00616.31
7.4.100.0160.00816.21
7.4.90.0100.00616.41
7.4.80.0060.01519.39
7.4.70.0060.01216.45
7.4.60.0030.01316.48
7.4.50.0110.00016.30
7.4.40.0030.01516.42
7.4.00.0090.00614.75
7.3.330.0000.00512.92
7.3.320.0060.00013.02
7.3.310.0030.00316.12
7.3.300.0030.00316.09
7.3.290.0060.01316.14
7.3.280.0080.01016.22
7.3.260.0110.00916.23
7.3.240.0080.00916.38
7.3.230.0060.01316.40
7.3.210.0060.01216.26
7.3.200.0120.00916.38
7.3.190.0080.00816.24
7.3.180.0030.01416.25
7.3.170.0120.00416.52
7.3.160.0090.01316.48
7.2.330.0090.01316.38
7.2.320.0100.01316.32
7.2.310.0130.00316.19
7.2.300.0040.01416.36
7.2.290.0090.00916.51
7.2.60.0000.00816.70
7.2.30.0200.01417.59
7.2.20.0210.01517.53
7.2.10.0180.01017.66
7.2.00.0190.01417.54
7.1.200.0100.00315.73
7.1.150.0120.01316.60
7.1.140.0180.01816.12
7.1.130.0190.01616.82
7.1.120.0160.01316.59
7.1.110.0170.01116.11
7.1.100.0130.01116.22
7.1.90.0170.01416.13
7.1.80.0130.01216.16
7.1.70.0160.01515.10
7.1.60.0380.01833.21
7.1.50.0380.01633.00
7.1.40.0370.01832.38
7.1.30.0380.01532.54
7.1.20.0360.01632.46
7.1.10.0240.00614.68
7.1.00.0250.01214.91

preferences:
30.32 ms | 401 KiB | 5 Q