3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => '0']; var_dump(isset($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)
8.3.60.0140.00416.63
8.3.50.0040.01116.39
8.3.40.0030.01318.61
8.3.30.0110.00418.72
8.3.20.0080.00020.07
8.3.10.0000.00823.56
8.3.00.0060.00319.25
8.2.180.0070.01116.75
8.2.170.0120.00922.96
8.2.160.0100.00620.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.94
8.2.120.0000.00726.35
8.2.110.0000.01022.04
8.2.100.0110.00017.91
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0080.00017.80
8.2.50.0050.00318.10
8.2.40.0040.00420.47
8.2.30.0000.00719.35
8.2.20.0000.00818.13
8.2.10.0030.00518.05
8.2.00.0050.00218.03
8.1.280.0110.01125.92
8.1.270.0000.00822.14
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0060.00323.82
8.1.230.0110.00017.70
8.1.220.0000.00817.74
8.1.210.0050.00518.77
8.1.200.0000.00917.22
8.1.190.0040.00417.10
8.1.180.0070.00018.10
8.1.170.0080.00020.35
8.1.160.0030.00318.98
8.1.150.0040.00420.61
8.1.140.0000.00719.55
8.1.130.0000.00718.73
8.1.120.0070.00017.36
8.1.110.0040.00417.24
8.1.100.0000.00717.38
8.1.90.0040.00417.43
8.1.80.0000.00717.35
8.1.70.0040.00417.30
8.1.60.0000.00817.46
8.1.50.0040.00417.33
8.1.40.0080.00017.37
8.1.30.0030.00517.49
8.1.20.0000.00717.57
8.1.10.0050.00217.49
8.1.00.0040.00417.43
8.0.300.0030.00618.77
8.0.290.0000.00716.63
8.0.280.0040.00418.39
8.0.270.0070.00017.18
8.0.260.0060.00016.73
8.0.250.0030.00316.89
8.0.240.0040.00416.87
8.0.230.0060.00316.87
8.0.220.0000.00716.81
8.0.210.0070.00016.78
8.0.200.0030.00316.85
8.0.190.0030.00516.94
8.0.180.0080.00016.91
8.0.170.0050.00316.76
8.0.160.0000.00716.76
8.0.150.0030.00316.63
8.0.140.0000.00716.76
8.0.130.0000.00513.26
8.0.120.0020.00516.83
8.0.110.0000.00816.83
8.0.100.0080.00016.64
8.0.90.0050.00216.78
8.0.80.0090.00616.76
8.0.70.0040.00416.67
8.0.60.0040.00416.82
8.0.50.0040.00416.71
8.0.30.0090.01016.81
8.0.20.0100.01217.40
8.0.10.0040.00416.98
8.0.00.0120.00616.62
7.4.330.0020.00215.55
7.4.320.0070.00016.53
7.4.300.0070.00016.38
7.4.290.0100.00016.29
7.4.280.0060.00316.57
7.4.270.0000.00716.30
7.4.260.0030.00616.48
7.4.250.0040.00416.46
7.4.240.0000.00716.52
7.4.230.0070.00016.36
7.4.220.0200.00716.60
7.4.210.0000.01916.61
7.4.200.0000.00716.57
7.4.160.0080.01016.52
7.4.150.0190.03517.40
7.4.140.0100.00917.86
7.4.130.0180.00616.24
7.4.120.0140.00516.50
7.4.110.0130.01016.46
7.4.100.0130.00416.48
7.4.90.0070.01116.33
7.4.80.0070.01119.39
7.4.70.0060.01216.38
7.4.60.0120.00416.46
7.4.50.0060.00916.55
7.4.40.0100.00716.36
7.4.30.0120.00316.39
7.4.00.0070.00414.76
7.3.330.0050.00013.11
7.3.320.0030.00313.12
7.3.310.0000.00716.02
7.3.300.0000.00616.02
7.3.290.0090.00716.19
7.3.280.0080.01016.22
7.3.270.0120.00617.40
7.3.260.0120.00716.32
7.3.250.0050.01216.29
7.3.240.0080.00816.25
7.3.230.0130.01016.39
7.3.210.0160.00816.58
7.3.200.0150.00916.14
7.3.190.0080.01216.29
7.3.180.0060.00916.10
7.3.170.0090.00916.16
7.3.160.0110.00516.30
7.3.10.0000.01516.04
7.3.00.0120.00416.41
7.2.330.0090.01316.27
7.2.320.0090.00916.21
7.2.310.0130.00316.42
7.2.300.0110.00716.23
7.2.290.0130.01016.29
7.2.130.0040.01116.82
7.2.120.0200.00316.98
7.2.110.0120.00616.85
7.2.100.0130.01316.79
7.2.90.0090.00616.59
7.2.80.0000.01116.59
7.2.70.0100.00316.82
7.2.60.0080.00716.90
7.2.50.0090.00016.81
7.2.40.0110.00716.74
7.2.30.0000.01516.36
7.2.20.0060.00616.52
7.2.10.0080.00416.41
7.2.00.0050.01017.87
7.1.250.0070.01115.61
7.1.200.0030.00615.75
7.1.100.0100.00318.17
7.1.70.0070.01017.06
7.1.60.0170.01734.73
7.1.50.0270.02234.81
7.1.40.0280.02134.50
7.1.30.0310.01034.57
7.1.20.0200.01334.52
7.1.10.0060.00916.25
7.1.00.0080.00916.64
7.0.200.0100.00816.72
7.0.190.0110.00616.42
7.0.180.0070.01715.88
7.0.170.0000.01815.87
7.0.160.0120.00616.00
7.0.150.0100.01016.16
7.0.140.0120.00716.07
7.0.130.0030.01716.30
7.0.120.0110.00616.31
7.0.110.0110.01116.25
7.0.100.0120.01216.36
7.0.90.0030.02116.09
7.0.80.0030.01716.32
7.0.70.0110.00716.24
7.0.60.0070.01316.15
7.0.50.0090.00816.33
7.0.40.0120.01316.44
7.0.30.0030.01416.46
7.0.20.0070.01016.42
7.0.10.0030.01616.23
7.0.00.0070.01316.25

preferences:
37.49 ms | 400 KiB | 5 Q