3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cost = '1'; echo isset($cost); echo isset($cost,$test);

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)
8.3.60.0070.01418.31
8.3.50.0070.01417.94
8.3.40.0110.00418.45
8.3.30.0000.01418.42
8.3.20.0040.00421.60
8.3.10.0050.00321.66
8.3.00.0040.00421.95
8.2.180.0180.00316.63
8.2.170.0040.01122.96
8.2.160.0030.01022.30
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00321.12
8.2.110.0110.01120.26
8.2.100.0100.00017.78
8.2.90.0000.00819.13
8.2.80.0080.00017.97
8.2.70.0070.00317.50
8.2.60.0060.00317.91
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0000.00819.14
8.2.20.0040.00418.07
8.2.10.0040.00417.90
8.2.00.0020.00517.55
8.1.280.0120.00325.92
8.1.270.0060.00323.83
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0070.00721.80
8.1.230.0080.00424.01
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0030.00617.25
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0040.00418.64
8.1.160.0040.00418.89
8.1.150.0040.00422.01
8.1.140.0000.00719.47
8.1.130.0090.00017.42
8.1.120.0040.00417.52
8.1.110.0080.00017.32
8.1.100.0000.00817.41
8.1.90.0000.00717.32
8.1.80.0000.00717.39
8.1.70.0000.00817.43
8.1.60.0070.00017.64
8.1.50.0000.00817.53
8.1.40.0070.00017.53
8.1.30.0000.00817.65
8.1.20.0020.00517.52
8.1.10.0040.00417.51
8.1.00.0050.00217.45
8.0.300.0030.00618.77
8.0.290.0000.00716.74
8.0.280.0000.00718.43
8.0.270.0030.00317.24
8.0.260.0000.00716.80
8.0.250.0030.00316.96
8.0.240.0050.00216.95
8.0.230.0030.00316.97
8.0.220.0000.00716.85
8.0.210.0000.00616.75
8.0.200.0030.00316.80
8.0.190.0040.00416.95
8.0.180.0070.00016.87
8.0.170.0030.00516.89
8.0.160.0040.00416.89
8.0.150.0040.00416.71
8.0.140.0040.00416.77
8.0.130.0030.00313.37
8.0.120.0000.00816.83
8.0.110.0000.00716.99
8.0.100.0040.00416.94
8.0.90.0040.00416.88
8.0.80.0140.00716.83
8.0.70.0040.00416.94
8.0.60.0040.00416.74
8.0.50.0000.00816.83
8.0.30.0100.00917.10
8.0.20.0100.00917.40
8.0.10.0000.00716.87
8.0.00.0140.00316.96
7.4.330.0000.00515.55
7.4.320.0000.00616.48
7.4.300.0060.00016.48
7.4.290.0000.00616.48
7.4.280.0030.00616.59
7.4.270.0030.00316.48
7.4.260.0070.00416.46
7.4.250.0070.00016.51
7.4.240.0050.00216.43
7.4.230.0030.00316.59
7.4.220.0090.00816.52
7.4.210.0030.01016.39
7.4.200.0030.00316.67
7.4.160.0070.00716.50
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0070.01016.51
7.4.120.0070.01116.49
7.4.110.0090.00916.61
7.4.100.0060.01216.27
7.4.90.0090.00916.61
7.4.80.0100.01419.39
7.4.70.0120.00316.32
7.4.60.0120.00616.58
7.4.50.0100.00616.37
7.4.40.0080.00816.62
7.4.30.0080.00816.55
7.4.00.0030.01314.56
7.3.330.0050.00012.87
7.3.320.0030.00313.06
7.3.310.0070.00016.20
7.3.300.0030.00315.97
7.3.290.0070.00716.08
7.3.280.0060.00916.10
7.3.270.0030.01417.40
7.3.260.0080.01316.24
7.3.250.0120.00616.27
7.3.240.0110.01016.25
7.3.230.0090.00916.18
7.3.210.0060.01016.23
7.3.200.0110.01116.51
7.3.190.0060.00916.28
7.3.180.0090.00616.05
7.3.170.0100.01016.41
7.3.160.0030.01616.49
7.2.330.0130.00416.61
7.2.320.0100.01016.28
7.2.310.0000.01616.44
7.2.300.0110.01516.50
7.2.290.0100.00716.38
7.2.60.0120.00416.75
7.2.50.0150.00316.64
7.1.200.0030.01015.56
7.1.70.0040.00416.95
7.1.60.0340.00314.84
7.1.10.0200.06322.24
7.1.00.0100.06022.38
7.0.200.0090.00316.87
7.0.150.0070.06021.86
7.0.140.0100.05721.85
7.0.130.0030.06021.91
7.0.120.0130.07021.88
7.0.110.0030.06321.80
7.0.100.0070.06022.01
7.0.90.0070.06021.89
7.0.80.0100.06721.93
7.0.70.0130.05321.88
7.0.60.0000.06721.79
7.0.50.0130.05322.05
7.0.40.0100.05321.87
7.0.30.0030.06021.92
7.0.20.0100.05321.97
7.0.10.0100.05321.94
7.0.00.0030.06321.92

preferences:
59.18 ms | 401 KiB | 5 Q