3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[3][10] = null; if(isset($a[3][10])) { echo 'Isset'; } else { echo 'No'; }

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)
8.3.70.0070.01417.98
8.3.60.0190.00318.31
8.3.50.0080.00618.11
8.3.40.0100.00718.75
8.3.30.0070.00718.75
8.3.20.0000.00724.18
8.3.10.0000.00824.66
8.3.00.0000.00826.16
8.2.180.0100.01325.92
8.2.170.0100.01019.14
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0100.00722.25
8.2.100.0090.00317.97
8.2.90.0040.00419.34
8.2.80.0000.00817.97
8.2.70.0070.00317.63
8.2.60.0050.00317.93
8.2.50.0000.00818.05
8.2.40.0040.00419.88
8.2.30.0000.00717.89
8.2.20.0080.00018.00
8.2.10.0050.00219.24
8.2.00.0040.00419.29
8.1.280.0080.00625.92
8.1.270.0070.00023.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.01023.80
8.1.230.0110.00019.15
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0050.00318.91
8.1.160.0050.00519.00
8.1.150.0000.00718.74
8.1.140.0040.00420.67
8.1.130.0070.00020.07
8.1.120.0040.00417.39
8.1.110.0000.00717.29
8.1.100.0040.00417.41
8.1.90.0080.00017.28
8.1.80.0070.00017.27
8.1.70.0040.00417.41
8.1.60.0000.00917.36
8.1.50.0030.00517.33
8.1.40.0040.00417.48
8.1.30.0000.00817.56
8.1.20.0050.00317.54
8.1.10.0000.00817.54
8.1.00.0030.00617.54
8.0.300.0090.00019.64
8.0.290.0040.00416.75
8.0.280.0030.00318.60
8.0.270.0000.00717.94
8.0.260.0040.00418.48
8.0.250.0000.00716.90
8.0.240.0030.00316.89
8.0.230.0000.00716.77
8.0.220.0000.00716.90
8.0.210.0030.00616.79
8.0.200.0000.00716.76
8.0.190.0040.00416.78
8.0.180.0040.00416.90
8.0.170.0060.00316.77
8.0.160.0000.00916.72
8.0.150.0070.00016.85
8.0.140.0040.00316.79
8.0.130.0060.00013.18
8.0.120.0000.01016.83
8.0.110.0040.00416.84
8.0.100.0000.00716.88
8.0.90.0040.00416.83
8.0.80.0110.00516.76
8.0.70.0000.00816.93
8.0.60.0000.00816.77
8.0.50.0090.00016.85
8.0.30.0230.01216.58
8.0.20.0280.01316.62
8.0.10.0230.01716.61
8.0.00.0140.01116.88
7.4.330.0040.00015.55
7.4.320.0000.00616.54
7.4.300.0000.00816.54
7.4.290.0040.00416.52
7.4.280.0040.00416.43
7.4.270.0050.00316.54
7.4.260.0000.00513.20
7.4.250.0080.00016.47
7.4.240.0030.00516.46
7.4.230.0040.00416.27
7.4.220.0070.00016.41
7.4.210.0080.00516.52
7.4.200.0030.00316.63
7.4.160.0210.00716.50
7.4.150.0190.01316.43
7.4.140.0120.01816.36
7.4.130.0180.00316.06
7.4.120.0220.00416.26
7.4.110.0240.00316.35
7.4.100.0090.01316.16
7.4.90.0190.00416.20
7.4.80.0110.00716.28
7.4.70.0160.01116.39
7.4.60.0180.00616.43
7.4.50.0110.01516.31
7.4.40.0180.00916.19
7.4.30.0170.01716.31
7.4.20.0170.00916.27
7.4.10.0120.01216.43
7.4.00.0120.01016.33
7.3.330.0050.00516.27
7.3.320.0050.00013.16
7.3.310.0020.00516.32
7.3.300.0030.00316.25
7.3.290.0090.00916.27
7.3.280.0140.01316.15
7.3.270.0220.00616.10
7.3.260.0190.00916.07
7.3.250.0160.01016.05
7.3.240.0250.00016.09
7.3.230.0220.00815.62
7.3.220.0180.00616.10
7.3.210.0220.00416.05
7.3.200.0180.01315.86
7.3.190.0250.00515.85
7.3.180.0250.01416.07
7.3.170.0120.01215.79
7.3.160.0140.02115.93
7.3.150.0000.02115.98
7.3.140.0100.01716.02
7.3.130.0150.01116.06
7.3.120.0130.02016.04
7.3.110.0140.00815.95
7.3.100.0170.01315.80
7.3.90.0140.01416.49
7.3.80.0180.00716.17
7.3.70.0220.00616.15
7.3.60.0220.00416.33
7.3.50.0060.02116.25
7.3.40.0200.01016.32
7.3.30.0280.00716.28
7.3.20.0130.01216.23
7.3.10.0250.00516.00
7.3.00.0170.01416.19

preferences:
41.04 ms | 402 KiB | 5 Q