3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(2=>"14"); echo isset(($a[2]['foo'])) ? 'set':'not set';echo "\n"; echo isset($a[2]['foo']) ? 'set':'not set';echo "\n"; echo empty($a[2]['foo']) ? 'empty':'not empty';echo "\n"; echo $a[2]['foo'] ? 'truthy':'fruity';echo "\n";

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)
8.3.60.0100.00716.63
8.3.50.0140.00821.80
8.3.40.0140.00018.92
8.3.30.0100.00718.69
8.3.20.0040.00420.39
8.3.10.0040.00423.61
8.3.00.0080.00019.82
8.2.180.0110.01118.36
8.2.170.0060.00922.96
8.2.160.0070.01020.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00019.22
8.2.120.0040.00426.35
8.2.110.0090.00022.25
8.2.100.0040.00718.05
8.2.90.0080.00019.20
8.2.80.0080.00017.97
8.2.70.0090.00017.88
8.2.60.0030.00618.03
8.2.50.0030.00518.07
8.2.40.0000.00822.20
8.2.30.0070.00020.69
8.2.20.0040.00417.81
8.2.10.0070.00017.96
8.2.00.0060.00317.94
8.1.280.0090.01225.92
8.1.270.0030.00620.38
8.1.260.0050.00328.09
8.1.250.0000.00728.09
8.1.240.0090.00023.98
8.1.230.0060.00617.89
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0070.00020.73
8.1.150.0070.00018.79
8.1.140.0000.00819.45
8.1.130.0030.00317.61
8.1.120.0000.00717.47
8.1.110.0040.00417.40
8.1.100.0000.00717.41
8.1.90.0050.00317.35
8.1.80.0030.00417.39
8.1.70.0040.00417.41
8.1.60.0030.00617.43
8.1.50.0060.00317.55
8.1.40.0000.00917.43
8.1.30.0080.00017.59
8.1.20.0050.00317.54
8.1.10.0020.00517.59
8.1.00.0020.00517.50
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.46
8.0.270.0070.00017.35
8.0.260.0000.00617.25
8.0.250.0030.00317.05
8.0.240.0060.00317.00
8.0.230.0000.00717.02
8.0.220.0030.00616.79
8.0.210.0040.00416.87
8.0.200.0030.00316.82
8.0.190.0030.00516.84
8.0.180.0020.00516.82
8.0.170.0040.00416.95
8.0.160.0040.00416.79
8.0.150.0050.00316.89
8.0.140.0070.00016.88
8.0.130.0000.00613.40
8.0.120.0080.00016.73
8.0.110.0070.00016.80
8.0.100.0070.00016.80
8.0.90.0040.00416.77
8.0.80.0160.00016.89
8.0.70.0000.00716.96
8.0.60.0030.00516.70
8.0.50.0070.00016.96
8.0.30.0130.00417.24
8.0.20.0130.00817.40
8.0.10.0020.00517.08
8.0.00.0080.01316.76
7.4.330.0000.00516.71
7.4.320.0030.00316.34
7.4.300.0030.00316.54
7.4.290.0030.00316.43
7.4.280.0000.00916.57
7.4.270.0070.00016.44
7.4.260.0000.00816.56
7.4.250.0000.00816.32
7.4.240.0020.00516.50
7.4.230.0030.00416.54
7.4.220.0100.00916.58
7.4.210.0030.01516.51
7.4.200.0000.00716.63
7.4.160.0090.00616.46
7.4.150.0090.00917.40
7.4.140.0110.01217.86
7.4.130.0090.00916.58
7.4.120.0130.00316.49
7.4.110.0120.00616.41
7.4.100.0070.01016.42
7.4.90.0100.00716.41
7.4.80.0030.01319.39
7.4.70.0000.01716.51
7.4.60.0090.00816.33
7.4.50.0060.01116.43
7.4.40.0110.00516.34
7.4.30.0110.00616.50
7.4.00.0070.01014.58
7.3.330.0000.00513.07
7.3.320.0030.00313.17
7.3.310.0040.00416.39
7.3.300.0030.00316.18
7.3.290.0100.00616.40
7.3.280.0080.01116.41
7.3.270.0130.00417.40
7.3.260.0060.01216.48
7.3.250.0110.00816.38
7.3.240.0080.01016.38
7.3.230.0090.00916.60
7.3.210.0030.01416.38
7.3.200.0160.00016.39
7.3.190.0030.01716.35
7.3.180.0170.00316.47
7.3.170.0090.01216.27
7.3.160.0120.00316.35
7.3.10.0110.00516.71
7.3.00.0110.00716.35
7.2.330.0130.01016.53
7.2.320.0090.00916.57
7.2.310.0100.00716.71
7.2.300.0110.00616.61
7.2.290.0170.00616.33
7.2.130.0090.00716.36
7.2.120.0110.00816.46
7.2.110.0120.01016.68
7.2.100.0120.00716.56
7.2.90.0100.00816.89
7.2.80.0110.01016.58
7.2.70.0080.00716.49
7.2.60.0080.00916.86
7.2.50.0100.01016.56
7.2.40.0140.00616.38
7.2.30.0070.00816.55
7.2.20.0130.00516.44
7.2.10.0030.01216.53
7.2.00.0100.00917.70
7.1.250.0150.00315.41
7.1.200.0060.00615.81
7.1.100.0090.00617.78
7.1.70.0040.00817.10
7.1.60.0070.01719.52
7.1.50.0140.00017.02
7.1.00.0070.07322.30
7.0.200.0000.00916.84
7.0.60.0100.07719.94
7.0.50.0030.04317.82
7.0.40.0030.08320.06
7.0.30.0170.04720.34
7.0.20.0270.05720.16
7.0.10.0100.08020.09
7.0.00.0130.07720.29
5.6.280.0030.03020.91
5.6.210.0070.08720.46
5.6.200.0000.08718.11
5.6.190.0100.05020.27
5.6.180.0370.07020.33
5.6.170.0430.05320.62
5.6.160.0100.04020.52
5.6.150.0100.04318.12
5.6.140.0100.04318.19
5.6.130.0030.07018.20
5.6.120.0100.03321.11
5.6.110.0070.06020.98
5.6.100.0230.06321.13
5.6.90.0030.08721.10
5.6.80.0070.06020.50
5.5.350.0000.06320.48
5.5.340.0100.03717.95
5.5.330.0030.04020.21
5.5.320.0700.07020.32
5.5.310.0270.03320.32
5.5.300.0170.03717.91
5.5.290.0000.05318.00
5.5.280.0070.08720.96
5.5.270.0200.07020.87
5.5.260.0100.08320.80
5.5.250.0130.06320.54
5.5.240.0070.04020.26

preferences:
48.24 ms | 401 KiB | 5 Q