3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => 1] + ['a' => 2]; print_r($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)
8.3.60.0090.00916.38
8.3.50.0090.00616.05
8.3.40.0100.01018.70
8.3.30.0040.01118.35
8.3.20.0040.00420.21
8.3.10.0040.00421.77
8.3.00.0040.00417.50
8.2.180.0060.01118.16
8.2.170.0040.01122.96
8.2.160.0030.01020.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00420.94
8.2.120.0080.00026.35
8.2.110.0050.00520.39
8.2.100.0060.00617.72
8.2.90.0040.00417.84
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0000.00718.04
8.2.50.0080.00018.10
8.2.40.0070.00020.43
8.2.30.0000.00720.97
8.2.20.0070.00017.95
8.2.10.0050.00217.88
8.2.00.0030.00517.87
8.1.280.0090.00625.92
8.1.270.0060.01222.25
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0080.00322.14
8.1.230.0080.00320.76
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0100.00017.22
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00519.01
8.1.160.0000.00718.84
8.1.150.0080.00018.82
8.1.140.0050.00519.50
8.1.130.0030.00318.80
8.1.120.0000.00717.39
8.1.110.0030.00617.29
8.1.100.0000.00717.33
8.1.90.0080.00017.26
8.1.80.0050.00217.27
8.1.70.0000.00717.25
8.1.60.0040.00417.50
8.1.50.0040.00417.43
8.1.40.0030.00517.40
8.1.30.0050.00317.61
8.1.20.0000.00717.47
8.1.10.0000.00717.33
8.1.00.0070.00017.38
8.0.300.0040.00419.89
8.0.290.0060.00316.63
8.0.280.0030.00318.37
8.0.270.0030.00317.08
8.0.260.0000.00716.82
8.0.250.0030.00316.88
8.0.240.0040.00416.90
8.0.230.0000.00716.83
8.0.220.0040.00416.88
8.0.210.0000.00716.79
8.0.200.0030.00316.90
8.0.190.0040.00416.96
8.0.180.0070.00016.88
8.0.170.0000.00716.87
8.0.160.0080.00016.77
8.0.150.0040.00416.73
8.0.140.0000.00716.74
8.0.130.0030.00313.27
8.0.120.0040.00416.83
8.0.110.0000.00816.74
8.0.100.0040.00416.79
8.0.90.0050.00216.85
8.0.80.0100.00916.88
8.0.70.0000.00816.68
8.0.60.0040.00416.90
8.0.50.0040.00416.75
8.0.30.0070.01216.97
8.0.20.0100.00917.40
8.0.10.0040.00417.00
8.0.00.0070.01016.78
7.4.330.0030.00616.24
7.4.320.0030.00316.52
7.4.300.0030.00316.55
7.4.290.0070.00016.49
7.4.280.0030.00616.50
7.4.270.0000.00716.52
7.4.260.0090.00016.40
7.4.250.0000.00816.33
7.4.240.0040.00416.32
7.4.230.0070.00016.36
7.4.220.0110.00616.47
7.4.210.0080.00816.39
7.4.200.0030.00316.52
7.4.160.0140.00516.45
7.4.150.0030.01317.40
7.4.140.0110.01317.86
7.4.130.0070.01016.35
7.4.120.0140.00616.44
7.4.110.0070.01016.57
7.4.100.0090.00916.46
7.4.90.0170.00016.54
7.4.80.0110.01119.39
7.4.70.0140.00516.34
7.4.60.0110.00916.39
7.4.50.0060.00916.52
7.4.40.0150.00716.34
7.4.30.0110.00616.32
7.4.00.0050.01115.00
7.3.330.0070.00012.93
7.3.320.0050.00012.88
7.3.310.0050.00216.26
7.3.300.0040.00416.11
7.3.290.0070.00716.10
7.3.280.0120.00816.10
7.3.270.0150.00817.40
7.3.260.0090.01116.47
7.3.250.0100.00916.11
7.3.240.0120.00716.16
7.3.230.0110.00516.08
7.3.210.0130.00316.18
7.3.200.0060.00916.28
7.3.190.0150.00516.06
7.3.180.0120.00916.43
7.3.170.0130.00416.39
7.3.160.0110.00616.34
7.3.120.0070.00714.92
7.3.110.0110.00414.67
7.3.100.0060.00914.85
7.3.90.0040.01114.93
7.3.80.0100.00314.59
7.3.70.0030.01314.63
7.3.60.0030.00914.84
7.3.50.0090.00314.71
7.3.40.0060.00614.43
7.3.30.0030.00614.73
7.3.20.0110.00316.60
7.3.10.0040.01216.80
7.3.00.0040.00816.34
7.2.330.0070.01116.32
7.2.320.0040.01516.49
7.2.310.0140.00316.51
7.2.300.0000.01616.20
7.2.290.0070.01016.25
7.2.250.0070.01415.05
7.2.240.0070.01414.67
7.2.230.0000.01414.83
7.2.220.0060.00614.77
7.2.210.0090.00615.07
7.2.200.0090.00914.75
7.2.190.0030.00914.64
7.2.180.0100.00314.63
7.2.170.0000.01215.04
7.2.90.1660.00314.38
7.2.80.1520.00314.63
7.2.70.1460.00314.79
7.2.60.1800.01014.75
7.2.50.1520.00014.69
7.2.40.0060.01214.91
7.2.30.0840.00014.69
7.2.20.0130.00314.66
7.2.10.1900.00615.02
7.2.00.0100.01014.91
7.1.330.0040.01115.99
7.1.320.0070.00715.71
7.1.310.0090.00615.91
7.1.300.0100.00315.54
7.1.290.0000.01215.80
7.1.280.0120.00315.69
7.1.270.0030.01015.72
7.1.260.0060.00615.71
7.1.210.2070.00713.74
7.1.200.3180.00313.92
7.1.190.1280.01313.93
7.1.180.2080.00713.66
7.1.170.1420.01013.62
7.1.160.0170.00313.81
7.1.150.0100.00713.93
7.1.140.0130.00313.81
7.1.130.0100.01013.73
7.1.120.0120.01213.81
7.1.110.0780.00313.86
7.1.100.0110.00813.71
7.1.90.0860.00714.00
7.1.80.0580.00913.70
7.1.70.0350.01313.89
7.1.60.0400.00631.78
7.1.50.0420.00331.94
7.1.40.0980.00731.98
7.1.30.0300.01231.86
7.1.20.1080.01631.39
7.1.10.0050.01013.41
7.1.00.0840.00713.41
7.0.310.1660.00013.41
7.0.300.0430.00313.45
7.0.290.0150.00313.64
7.0.280.0070.01013.29
7.0.270.0130.01013.41
7.0.260.0430.00413.60
7.0.250.0080.01713.50
7.0.240.1370.00313.39
7.0.230.1580.01013.53
7.0.220.0220.00313.60
7.0.210.0180.00413.64
7.0.200.0200.00613.32
7.0.190.2030.01413.61
7.0.180.0950.00013.64
7.0.170.0130.01013.59
7.0.160.0650.00313.41
7.0.150.0790.00013.75
7.0.140.0190.00313.34
7.0.130.0450.00613.50
7.0.120.0320.01013.63
7.0.110.0500.00713.54
7.0.100.0060.00913.48
7.0.90.0910.00713.52
7.0.80.0040.01513.55
7.0.70.0230.00013.42
7.0.60.0400.00013.57
7.0.50.0350.00613.63
7.0.40.0100.00813.73
7.0.30.0230.00013.32
7.0.20.0100.00613.64
7.0.10.0070.01013.50
7.0.00.0960.00013.55

preferences:
47.14 ms | 401 KiB | 5 Q