3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ["1" => "aaa"]; var_dump ( isset ( $array [ 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)
8.3.60.0070.01417.99
8.3.50.0090.00618.21
8.3.40.0110.00418.63
8.3.30.0090.00618.54
8.3.20.0070.00024.18
8.3.10.0000.00724.66
8.3.00.0080.00026.16
8.2.180.0110.01125.92
8.2.170.0140.00718.96
8.2.160.0070.00722.96
8.2.150.0050.00225.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0000.01022.20
8.2.100.0030.01018.04
8.2.90.0050.00318.34
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00817.90
8.2.50.0030.00618.05
8.2.40.0030.00518.03
8.2.30.0000.00718.11
8.2.20.0000.00818.11
8.2.10.0000.00819.17
8.2.00.0000.00719.17
8.1.270.0060.00323.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0080.00320.96
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0050.00317.23
8.1.190.0080.00017.10
8.1.180.0030.00718.10
8.1.170.0040.00418.57
8.1.160.0000.00718.77
8.1.150.0000.00718.74
8.1.140.0040.00420.61
8.1.130.0030.00320.08
8.1.120.0050.00317.40
8.1.110.0040.00417.39
8.1.100.0000.00817.41
8.1.90.0040.00417.36
8.1.80.0090.00017.42
8.1.70.0040.00417.43
8.1.60.0000.00717.49
8.1.50.0000.00817.42
8.1.40.0040.00417.41
8.1.30.0000.00817.64
8.1.20.0000.00917.59
8.1.10.0060.00317.50
8.1.00.0040.00417.48
8.0.300.0070.00020.13
8.0.290.0020.00516.63
8.0.280.0070.00018.30
8.0.270.0000.00717.85
8.0.260.0030.00318.28
8.0.250.0070.00016.86
8.0.240.0000.00716.78
8.0.230.0000.00816.80
8.0.220.0000.00716.71
8.0.210.0050.00216.80
8.0.200.0060.00016.88
8.0.190.0050.00316.75
8.0.180.0040.00416.86
8.0.170.0060.00316.85
8.0.160.0000.00716.88
8.0.150.0060.00316.79
8.0.140.0030.00316.71
8.0.130.0060.00013.23
8.0.120.0030.00616.81
8.0.110.0000.00816.80
8.0.100.0000.00816.88
8.0.90.0000.00716.67
8.0.80.0090.01016.77
8.0.70.0040.00416.82
8.0.60.0040.00416.62
8.0.50.0040.00416.68
8.0.30.0080.00816.95
8.0.20.0070.01716.70
8.0.10.0090.00917.04
8.0.00.0120.00617.02
7.4.330.0000.00615.55
7.4.320.0030.00316.54
7.4.300.0000.00616.45
7.4.290.0000.00816.45
7.4.280.0030.00616.41
7.4.270.0030.00316.49
7.4.260.0000.00513.27
7.4.250.0070.00016.50
7.4.240.0030.00316.46
7.4.230.0000.00616.34
7.4.220.0020.00516.44
7.4.210.0090.00716.42
7.4.200.0040.00416.60
7.4.150.0130.00716.34
7.4.140.0180.00416.41
7.4.130.0090.01016.36
7.4.120.0080.01916.41
7.4.110.0130.00716.30
7.4.100.0120.00816.34
7.4.90.0110.00816.48
7.4.80.0180.00316.32
7.4.70.0120.00916.35
7.4.60.0140.00616.34
7.4.50.0130.00616.34
7.4.40.0060.01116.53
7.4.30.0150.00316.34
7.4.20.0160.00616.39
7.4.10.0070.01116.33
7.4.00.0110.00716.43
7.3.330.0040.00416.16
7.3.320.0050.00013.15
7.3.310.0030.00316.04
7.3.300.0030.00316.19
7.3.290.0090.00716.19
7.3.270.0040.01416.13
7.3.260.0120.00616.23
7.3.250.0150.00916.12
7.3.240.0090.00916.56
7.3.230.0120.00716.49
7.3.220.0060.01216.46
7.3.210.0110.00716.02
7.3.200.0080.01716.22
7.3.190.0170.00416.20
7.3.180.0120.00816.29
7.3.170.0110.00716.45
7.3.160.0030.01916.23
7.3.150.0060.01216.30
7.3.140.0030.01416.46
7.3.130.0120.00616.32
7.3.120.0100.01016.10
7.3.110.0100.00716.22
7.3.100.0040.01416.36
7.3.90.0090.00916.23
7.3.80.0110.00916.23
7.3.70.0080.01116.27
7.3.60.0110.00716.13
7.3.50.0120.00616.16
7.3.40.0200.00316.18
7.3.30.0170.00716.22
7.3.20.0240.00316.13
7.3.10.0130.00816.06
7.3.00.0060.01216.37

preferences:
69.39 ms | 400 KiB | 5 Q