3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ["a"=>"","b"=>2]; var_dump(array_key_exists("b",$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)
8.3.60.0070.00718.43
8.3.50.0090.00618.12
8.3.40.0070.01118.86
8.3.30.0110.00318.46
8.3.20.0090.00018.42
8.3.10.0040.00423.64
8.3.00.0060.00320.45
8.2.180.0060.00916.71
8.2.170.0110.00322.96
8.2.160.0110.00419.34
8.2.150.0050.00224.18
8.2.140.0110.00724.66
8.2.130.0050.00219.64
8.2.120.0070.00026.35
8.2.110.0030.00620.94
8.2.100.0080.00317.84
8.2.90.0040.00417.78
8.2.80.0040.00418.03
8.2.70.0000.00817.80
8.2.60.0030.00518.16
8.2.50.0000.00818.10
8.2.40.0050.00219.23
8.2.30.0030.00519.22
8.2.20.0040.00418.09
8.2.10.0000.00717.89
8.2.00.0110.00017.51
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00323.95
8.1.230.0090.00422.69
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01117.22
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.42
8.1.160.0070.00018.73
8.1.150.0000.00718.73
8.1.140.0030.00322.00
8.1.130.0030.00520.05
8.1.120.0060.00317.28
8.1.110.0080.00017.36
8.1.100.0050.00317.36
8.1.90.0000.00717.33
8.1.80.0000.00817.42
8.1.70.0080.00017.28
8.1.60.0030.00517.57
8.1.50.0030.00617.38
8.1.40.0040.00417.32
8.1.30.0000.00717.47
8.1.20.0000.00817.61
8.1.10.0000.00817.49
8.1.00.0040.00417.43
8.0.300.0070.00019.77
8.0.290.0080.00016.63
8.0.280.0000.00818.37
8.0.270.0040.00417.07
8.0.260.0030.00318.49
8.0.250.0030.00316.75
8.0.240.0060.00316.89
8.0.230.0030.00316.87
8.0.220.0020.00516.80
8.0.210.0040.00416.83
8.0.200.0000.00916.83
8.0.190.0080.00016.78
8.0.180.0040.00416.79
8.0.170.0040.00416.75
8.0.160.0050.00316.93
8.0.150.0000.00716.76
8.0.140.0000.00716.73
8.0.130.0060.00013.21
8.0.120.0000.00816.82
8.0.110.0040.00416.76
8.0.100.0050.00216.80
8.0.90.0040.00416.88
8.0.80.0140.00216.73
8.0.70.0040.00416.71
8.0.60.0080.00016.93
8.0.50.0070.00016.74
8.0.30.0120.00616.97
8.0.20.0080.01217.40
8.0.10.0070.00016.96
8.0.00.0110.00716.63
7.4.330.0050.00015.55
7.4.320.0000.00616.49
7.4.300.0000.00816.58
7.4.290.0030.00316.63
7.4.280.0030.00616.46
7.4.270.0080.00016.58
7.4.260.0030.00316.56
7.4.250.0030.00316.47
7.4.240.0070.00016.48
7.4.230.0070.00016.48
7.4.220.0000.00716.38
7.4.210.0090.00616.55
7.4.200.0000.01016.56
7.4.160.0110.00516.55
7.4.140.0080.01017.86
7.4.130.0060.01116.54
7.4.120.0110.00616.46
7.4.110.0170.00316.55
7.4.100.0160.00016.48
7.4.90.0090.00916.68
7.4.80.0110.00619.39
7.4.70.0160.00716.42
7.4.60.0130.00316.61
7.4.50.0100.00316.36
7.4.40.0090.01216.59
7.4.00.0060.00914.66
7.3.330.0000.00513.12
7.3.320.0000.00512.94
7.3.310.0030.00516.01
7.3.300.0030.00316.11
7.3.290.0000.00716.04
7.3.280.0140.00716.13
7.3.260.0110.00816.32
7.3.240.0080.00816.28
7.3.230.0060.01316.03
7.3.210.0120.01216.45
7.3.200.0170.00016.55
7.3.190.0120.00616.08
7.3.180.0120.00316.29
7.3.170.0120.00916.41
7.3.160.0030.01316.22
7.3.10.0050.00516.50
7.3.00.0030.01016.47
7.2.330.0120.00616.53
7.2.320.0080.01516.53
7.2.310.0080.00916.50
7.2.300.0100.00716.45
7.2.290.0000.01716.50
7.2.130.0040.00816.68
7.2.120.0150.00016.75
7.2.110.0110.00615.69
7.2.100.0000.01216.49
7.2.90.0050.00916.55
7.2.80.0050.00716.49
7.2.70.0070.00316.78
7.2.60.0080.00616.63
7.2.50.0100.00316.70
7.2.40.0090.00316.61
7.2.30.0060.00916.43
7.2.20.0040.00916.72
7.2.10.0080.00616.56
7.2.00.0080.00616.51
7.1.250.0080.00315.51
7.1.230.0340.00313.46
7.1.220.0330.00713.60
7.1.210.0080.00415.49
7.1.200.0060.00615.71
7.1.190.0080.00415.68
7.1.180.0090.00315.73
7.1.170.0100.00315.57
7.1.160.0070.01015.61
7.1.150.0030.00915.75
7.1.140.0090.00615.73
7.1.130.0040.01215.55
7.1.120.0060.00615.66
7.1.110.0100.00515.71
7.1.100.0040.00715.70
7.1.90.0070.00515.73
7.1.80.0070.00415.53
7.1.70.0080.00815.85
7.1.60.0250.01133.54
7.1.50.0310.00333.59
7.1.40.0280.01033.56
7.1.30.0240.00933.56
7.1.20.0280.01033.73
7.1.10.0040.01115.64
7.1.00.0140.00815.71
5.6.380.0060.00914.16

preferences:
55.71 ms | 400 KiB | 5 Q