3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ('test' => 1, 'hello' => NULL, 'pie' => array('a' => 'apple')); var_dump(isset($a['test'])); // TRUE var_dump(isset($a['foo'])); // FALSE var_dump(isset($a['hello'])); // FALSE

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)
8.3.40.0140.00018.71
8.3.30.0110.00418.79
8.3.20.0000.00820.21
8.3.10.0040.00423.67
8.3.00.0040.00420.95
8.2.170.0100.01018.79
8.2.160.0140.00022.96
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0040.01426.16
8.2.120.0050.00322.24
8.2.110.0090.00022.25
8.2.100.0060.00617.78
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0050.00217.64
8.2.10.0050.00317.64
8.2.00.0040.00417.65
8.1.270.0060.00323.91
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0030.00623.97
8.1.230.0140.00019.07
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00017.22
8.1.190.0040.00417.50
8.1.180.0040.00418.10
8.1.170.0100.00318.09
8.1.160.0070.00021.85
8.1.150.0040.00418.44
8.1.140.0040.00417.37
8.1.130.0020.00517.60
8.1.120.0030.00517.38
8.1.110.0040.00417.47
8.1.100.0020.00517.38
8.1.90.0040.00417.43
8.1.80.0040.00417.32
8.1.70.0000.00717.33
8.1.60.0030.00417.51
8.1.50.0020.00617.53
8.1.40.0020.00617.46
8.1.30.0020.00617.59
8.1.20.0010.00717.61
8.1.10.0060.00217.45
8.1.00.0040.00417.40
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0030.00318.29
8.0.270.0040.00416.74
8.0.260.0070.00017.04
8.0.250.0030.00317.09
8.0.240.0050.00317.10
8.0.230.0040.00317.13
8.0.220.0020.00517.10
8.0.210.0020.00517.01
8.0.200.0010.00617.09
8.0.190.0030.00617.06
8.0.180.0030.00317.08
8.0.170.0050.00217.02
8.0.160.0030.00517.04
8.0.150.0040.00317.04
8.0.140.0030.00517.00
8.0.130.0020.00415.29
8.0.120.0070.00017.00
8.0.110.0040.00417.04
8.0.100.0040.00517.01
8.0.90.0030.00517.02
8.0.80.0050.01017.10
8.0.70.0040.00416.99
8.0.60.0020.00617.09
8.0.50.0040.00517.06
8.0.30.0070.00717.03
8.0.20.0070.00817.38
8.0.10.0040.00317.15
8.0.00.0120.00716.95
7.4.330.0070.00416.21
7.4.320.0110.00216.93
7.4.300.0120.00116.89
7.4.290.0100.00416.83
7.4.280.0080.00816.93
7.4.270.0070.00716.94
7.4.260.0080.00416.94
7.4.250.0110.00116.93
7.4.240.0060.00516.79
7.4.230.0100.00216.82
7.4.220.0130.00216.93
7.4.210.0070.00916.68
7.4.200.0070.00416.82
7.4.190.0000.01216.81
7.4.180.0110.00217.33
7.4.160.0100.00516.77
7.4.150.0100.00617.37
7.4.140.0130.01317.68
7.4.130.0090.00916.70
7.4.120.0110.00416.69
7.4.110.0080.00816.91
7.4.100.0090.00916.83
7.4.90.0130.00416.93
7.4.80.0150.00518.36
7.4.70.0090.00816.80
7.4.60.0090.00616.87
7.4.50.0080.00416.82
7.4.40.0100.00520.05
7.4.30.0090.00916.86
7.4.20.0070.00717.33
7.4.10.0100.00317.33
7.4.00.0090.00716.13
7.3.330.0070.00215.13
7.3.320.0050.00615.13
7.3.310.0070.00316.76
7.3.300.0070.00416.74
7.3.290.0110.00316.78
7.3.280.0090.00716.47
7.3.270.0120.00517.37
7.3.260.0120.00416.74
7.3.250.0110.00816.64
7.3.240.0090.00916.80
7.3.230.0120.00416.89
7.3.220.0090.00617.33
7.3.210.0130.00316.90
7.3.200.0140.00418.36
7.3.190.0150.00216.77
7.3.180.0090.00616.77
7.3.170.0040.01116.80
7.3.160.0090.00616.74
7.3.150.0040.01317.33
7.3.140.0120.00417.33
7.3.130.0050.01017.33
7.3.120.0070.00916.15
7.3.110.0150.00017.33
7.3.100.0120.00417.33
7.3.90.0140.00017.33
7.3.80.0170.00017.33
7.3.70.0080.00817.33
7.3.60.0110.00417.33
7.3.50.0070.01117.33
7.3.40.0090.00417.33
7.3.30.0150.00017.33
7.3.20.0140.00317.33
7.3.10.0270.00516.02
7.3.00.0150.00417.33
7.2.340.0140.00217.33
7.2.330.0090.00816.84
7.2.320.0130.00716.87
7.2.310.0090.00716.95
7.2.300.0070.00916.85
7.2.290.0060.01016.94
7.2.280.0110.00217.33
7.2.270.0140.00017.33
7.2.260.0080.00817.33
7.2.250.0110.00517.33
7.2.240.0050.01017.33
7.2.230.0080.00817.33
7.2.220.0130.00317.33
7.2.210.0030.01217.33
7.2.200.0120.00317.33
7.2.190.0050.01317.33
7.2.180.0050.00917.33
7.2.170.0070.00717.33
7.2.160.0100.00317.33
7.2.150.0150.00017.33
7.2.140.0100.00817.33
7.2.130.0270.00917.33
7.2.120.0090.00617.33
7.2.110.0170.00017.33
7.2.100.0050.01017.33
7.2.90.0130.00217.33
7.2.80.0110.00717.33
7.2.70.0120.00417.33
7.2.60.0110.00517.33
7.2.50.0160.00017.33
7.2.40.0130.00417.33
7.2.30.0110.00717.33
7.2.20.0110.00517.33
7.2.10.0130.00317.33
7.2.00.0060.00918.27
7.1.330.0140.00017.33
7.1.320.0150.00317.33
7.1.310.0140.00317.33
7.1.300.0150.00017.33
7.1.290.0150.00017.33
7.1.280.0140.00217.33
7.1.270.0040.00917.33
7.1.260.0140.00217.33
7.1.250.0430.00717.33
7.1.240.0150.00017.33
7.1.230.0050.01017.33
7.1.220.0160.00017.33
7.1.210.0130.00317.33
7.1.200.0090.00617.33
7.1.190.0150.00017.33
7.1.180.0120.00417.33
7.1.170.0110.00417.33
7.1.160.0140.00317.33
7.1.150.0160.00017.33
7.1.140.0080.00817.33
7.1.130.0120.00417.33
7.1.120.0140.00317.33
7.1.110.0110.00417.33
7.1.100.0090.00517.69
7.1.90.0120.00617.33
7.1.80.0050.01017.33
7.1.70.0070.00817.15
7.1.60.0110.00518.31
7.1.50.0090.01216.90
7.1.40.0170.00017.33
7.1.30.0260.00917.33
7.1.20.0080.00817.33
7.1.10.0080.00817.33
7.1.00.0080.03919.82
7.0.330.0120.00317.33
7.0.320.0130.00317.33
7.0.310.0130.00017.33
7.0.300.0070.00717.33
7.0.290.0090.00617.33
7.0.280.0070.00717.33
7.0.270.0050.00917.33
7.0.260.0100.00517.33
7.0.250.0070.00717.33
7.0.240.0090.00417.33
7.0.230.0130.00017.33
7.0.220.0090.00517.33
7.0.210.0090.00417.33
7.0.200.0060.00516.97
7.0.190.0070.00717.33
7.0.180.0100.00317.33
7.0.170.0050.01017.33
7.0.160.0130.00017.33
7.0.150.0290.00717.33
7.0.140.0050.04019.66
7.0.130.0130.00017.33
7.0.120.0090.00417.33
7.0.110.0140.00017.33
7.0.100.0100.04218.64
7.0.90.0150.04018.63
7.0.80.0200.03518.62
7.0.70.0250.04518.67
7.0.60.0160.04018.71
7.0.50.0130.03318.78
7.0.40.0100.03218.76
7.0.30.0090.02718.68
7.0.20.0100.03318.71
7.0.10.0090.02218.70
7.0.00.0100.04318.70
5.6.400.0130.00317.33
5.6.390.0090.00617.33
5.6.380.0110.00417.33
5.6.370.0090.00617.33
5.6.360.0100.00517.33
5.6.350.0110.00417.33
5.6.340.0110.00417.33
5.6.330.0070.00817.33
5.6.320.0140.00017.33
5.6.310.0120.00317.33
5.6.300.0140.00317.33
5.6.290.0110.00517.33
5.6.280.0090.03719.16
5.6.270.0110.00517.33
5.6.260.0140.00317.33
5.6.250.0100.03418.95
5.6.240.0070.03919.04
5.6.230.0050.03219.00
5.6.220.0070.03118.98
5.6.210.0100.04218.98
5.6.200.0090.03419.20
5.6.190.0110.02219.17
5.6.180.0080.02719.11
5.6.170.0130.04419.13
5.6.160.0070.02619.16
5.6.150.0100.04519.14
5.6.140.0040.02819.10
5.6.130.0150.04019.23
5.6.120.0100.03819.18
5.6.110.0090.03419.16
5.6.100.0060.05019.13
5.6.90.0120.02419.13
5.6.80.0070.04318.91
5.6.70.0120.03718.86
5.6.60.0070.02318.80
5.6.50.0110.02218.83
5.6.40.0150.03718.88
5.6.30.0110.03518.88
5.6.20.0100.03818.89
5.6.10.0110.03518.89
5.6.00.0070.03418.84
5.5.380.0100.02318.83
5.5.370.0100.04518.85
5.5.360.0090.02618.83
5.5.350.0090.02318.89
5.5.340.0080.03419.03
5.5.330.0030.04719.06
5.5.320.0140.03519.12
5.5.310.0140.02819.09
5.5.300.0100.02519.10
5.5.290.0090.04319.04
5.5.280.0160.03619.08
5.5.270.0140.04219.06
5.5.260.0160.03819.11
5.5.250.0100.03219.01
5.5.240.0080.02918.81
5.5.230.0060.04118.71
5.5.220.0070.04818.78
5.5.210.0160.03718.71
5.5.200.0120.03918.75
5.5.190.0080.04118.80
5.5.180.0070.02718.68
5.5.170.0100.00317.33
5.5.160.0100.02518.71
5.5.150.0110.04218.73
5.5.140.0110.02118.71
5.5.130.0110.02318.65
5.5.120.0080.03818.78
5.5.110.0070.03718.72
5.5.100.0070.04018.67
5.5.90.0120.02418.71
5.5.80.0090.02218.71
5.5.70.0110.04018.71
5.5.60.0100.02518.69
5.5.50.0060.02418.73
5.5.40.0070.02218.71
5.5.30.0060.04318.74
5.5.20.0090.03918.63
5.5.10.0120.03818.69
5.5.00.0110.02018.64
5.4.450.0100.03218.39
5.4.440.0100.03818.22
5.4.430.0040.04418.42
5.4.420.0040.02618.44
5.4.410.0120.03518.38
5.4.400.0120.04018.15
5.4.390.0050.02918.15
5.4.380.0060.03018.18
5.4.370.0120.03818.19
5.4.360.0100.03318.18
5.4.350.0120.03018.21
5.4.340.0080.03318.15
5.4.330.0080.00317.33
5.4.320.0020.02518.22
5.4.310.0100.03518.14
5.4.300.0100.03718.28
5.4.290.0110.03818.24
5.4.280.0090.03518.13
5.4.270.0100.02718.13
5.4.260.0080.02018.09
5.4.250.0130.03118.15
5.4.240.0070.02018.21
5.4.230.0070.04218.17
5.4.220.0080.04618.07
5.4.210.0030.02518.20
5.4.200.0070.02018.22
5.4.190.0040.02618.06
5.4.180.0070.02618.13
5.4.170.0120.03018.17
5.4.160.0100.02018.22
5.4.150.0130.03318.04
5.4.140.0030.03116.85
5.4.130.0020.04616.83
5.4.120.0100.02816.86
5.4.110.0050.03216.78
5.4.100.0070.02616.87
5.4.90.0030.03616.79
5.4.80.0060.03916.83
5.4.70.0070.02216.87
5.4.60.0110.03416.77
5.4.50.0070.03516.75
5.4.40.0040.04016.80
5.4.30.0040.04216.83
5.4.20.0090.03016.84
5.4.10.0070.03416.80
5.4.00.0080.03316.53
5.3.290.0090.04015.97
5.3.280.0070.03515.94
5.3.270.0140.03015.97
5.3.260.0070.02515.97
5.3.250.0080.04115.87
5.3.240.0120.03515.95
5.3.230.0070.02515.93
5.3.220.0080.03815.94
5.3.210.0060.03215.94
5.3.200.0090.03815.88
5.3.190.0070.03515.91
5.3.180.0040.04315.93
5.3.170.0080.03715.92
5.3.160.0070.02615.94
5.3.150.0080.03515.93
5.3.140.0070.02015.91
5.3.130.0160.03315.86
5.3.120.0150.02715.84
5.3.110.0080.04015.87
5.3.100.0060.03915.66
5.3.90.0050.03715.65
5.3.80.0090.03415.65
5.3.70.0050.04215.60
5.3.60.0030.03615.66
5.3.50.0080.03715.51
5.3.40.0120.03015.59
5.3.30.0050.03515.60
5.3.20.0050.03315.39
5.3.10.0050.03515.49
5.3.00.0030.03915.41

preferences:
45.23 ms | 400 KiB | 5 Q