3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ["a"=>"","b"=>2]; var_dump(array_key_exists("a",$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)
8.3.60.0150.00018.43
8.3.50.0090.00617.84
8.3.40.0060.00918.49
8.3.30.0090.00618.50
8.3.20.0040.00418.66
8.3.10.0080.00023.53
8.3.00.0070.00020.49
8.2.180.0090.00916.50
8.2.170.0120.00422.96
8.2.160.0070.01121.03
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00719.76
8.2.120.0040.00426.35
8.2.110.0090.00022.24
8.2.100.0120.00017.78
8.2.90.0000.00817.50
8.2.80.0090.00017.97
8.2.70.0000.00918.03
8.2.60.0000.00918.03
8.2.50.0050.00318.10
8.2.40.0030.00619.48
8.2.30.0040.00419.14
8.2.20.0050.00518.03
8.2.10.0000.00818.08
8.2.00.0110.00317.57
8.1.280.0170.00325.92
8.1.270.0040.00418.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00420.69
8.1.230.0070.00417.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0000.00718.73
8.1.150.0040.00418.71
8.1.140.0030.00322.00
8.1.130.0070.00020.02
8.1.120.0030.00617.40
8.1.110.0040.00317.25
8.1.100.0070.00017.31
8.1.90.0040.00417.39
8.1.80.0000.00817.31
8.1.70.0070.00017.41
8.1.60.0050.00317.45
8.1.50.0030.00517.47
8.1.40.0000.00817.41
8.1.30.0040.00417.46
8.1.20.0080.00017.63
8.1.10.0020.00517.47
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00818.27
8.0.270.0030.00317.05
8.0.260.0030.00318.36
8.0.250.0060.00016.75
8.0.240.0040.00816.78
8.0.230.0030.00316.77
8.0.220.0040.00416.69
8.0.210.0070.00016.88
8.0.200.0030.00316.81
8.0.190.0030.00316.82
8.0.180.0040.00416.92
8.0.170.0040.00416.72
8.0.160.0040.00416.79
8.0.150.0030.00316.74
8.0.140.0030.00316.79
8.0.130.0000.00513.25
8.0.120.0000.00716.78
8.0.110.0000.00816.71
8.0.100.0000.00816.71
8.0.90.0000.00716.82
8.0.80.0050.01116.81
8.0.70.0050.00316.84
8.0.60.0040.00416.88
8.0.50.0020.00516.84
8.0.30.0110.00717.01
8.0.20.0100.01017.40
8.0.10.0070.00016.98
8.0.00.0060.01316.81
7.4.330.0040.00015.55
7.4.320.0060.00016.58
7.4.300.0030.00316.58
7.4.290.0000.00716.50
7.4.280.0080.00016.37
7.4.270.0000.00716.59
7.4.260.0040.00416.57
7.4.250.0080.00016.43
7.4.240.0050.00216.58
7.4.230.0030.00516.45
7.4.220.0050.00316.52
7.4.210.0060.01216.52
7.4.200.0030.00716.43
7.4.160.0070.00816.46
7.4.140.0100.00917.86
7.4.130.0060.01216.38
7.4.120.0100.00916.58
7.4.110.0200.00316.46
7.4.100.0070.01016.68
7.4.90.0140.00416.45
7.4.80.0110.01119.39
7.4.70.0130.01016.47
7.4.60.0120.00416.41
7.4.50.0090.00916.56
7.4.40.0030.01316.63
7.4.00.0120.00314.71
7.3.330.0000.00612.99
7.3.320.0030.00413.12
7.3.310.0060.00316.13
7.3.300.0000.00716.05
7.3.290.0030.00316.14
7.3.280.0070.00716.05
7.3.260.0100.01016.27
7.3.240.0080.00816.35
7.3.230.0070.01016.32
7.3.210.0130.00416.45
7.3.200.0090.00616.46
7.3.190.0030.01316.32
7.3.180.0030.01316.15
7.3.170.0120.00616.41
7.3.160.0060.01016.38
7.3.10.0100.00316.16
7.3.00.0090.01216.07
7.2.330.0070.01116.42
7.2.320.0120.00416.14
7.2.310.0070.01016.38
7.2.300.0000.01616.40
7.2.290.0030.01316.23
7.2.130.0120.01516.29
7.2.120.0130.01016.07
7.2.110.0190.00915.39
7.2.100.0230.00715.28
7.2.90.0770.01215.11
7.2.80.0170.00715.28
7.2.70.0180.00815.59
7.2.60.0230.00215.65
7.2.50.0180.00515.71
7.2.40.0210.00815.71
7.2.30.0130.00615.46
7.2.20.0180.00715.53
7.2.10.0180.00715.34
7.2.00.0200.00715.71
7.1.250.0110.00715.32
7.1.230.0210.00313.74
7.1.220.0150.01113.71
7.1.210.0230.00013.77
7.1.200.0200.01013.84
7.1.190.0270.00313.59
7.1.180.0200.00613.68
7.1.170.0110.01113.72
7.1.160.0260.00313.90
7.1.150.0310.00013.83
7.1.140.0270.00413.63
7.1.130.0230.01013.78
7.1.120.0240.00313.37
7.1.110.0180.00413.77
7.1.100.0200.00413.66
7.1.90.0180.00613.60
7.1.80.0100.01013.90
7.1.70.0170.00713.85
7.1.60.0310.01431.68
7.1.50.0290.01331.75
7.1.40.1120.01331.66
7.1.30.0420.00331.67
7.1.20.0340.01231.63
7.1.10.0190.00613.84
7.1.00.0140.01013.70
5.6.380.0100.00314.05

preferences:
57.58 ms | 401 KiB | 5 Q