3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = NULL; if (!is_null($a) && !is_array($a)) { throw new Exception('The names of required fields must be an array, even if only one field is required.'); } else { echo "The if clause was not run"; } /* echo isset($a)?'true':'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)
8.3.60.0030.01618.06
8.3.50.0100.00821.27
8.3.40.0090.00618.46
8.3.30.0100.00620.04
8.3.20.0080.00020.21
8.3.10.0080.00022.09
8.3.00.0080.00022.46
8.2.180.0120.00416.38
8.2.170.0070.00722.96
8.2.160.0100.00322.08
8.2.150.0080.00024.18
8.2.140.0120.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.79
8.2.110.0030.00622.21
8.2.100.0030.00917.91
8.2.90.0000.00718.89
8.2.80.0000.00719.38
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0070.00018.16
8.2.30.0040.00419.33
8.2.20.0090.00017.71
8.2.10.0030.00617.77
8.2.00.0080.00017.74
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0060.00323.95
8.1.230.0080.00318.98
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.00
8.1.190.0070.00017.51
8.1.180.0090.00018.88
8.1.170.0040.00418.51
8.1.160.0070.00318.88
8.1.150.0000.00818.63
8.1.140.0000.00817.45
8.1.130.0050.00217.88
8.1.120.0000.00717.36
8.1.110.0080.00017.44
8.1.100.0030.00317.35
8.1.90.0040.00417.35
8.1.80.0050.00217.46
8.1.70.0000.00717.33
8.1.60.0020.00517.54
8.1.50.0070.00017.37
8.1.40.0080.00017.56
8.1.30.0030.00617.58
8.1.20.0060.00317.60
8.1.10.0040.00417.52
8.1.00.0060.00617.43
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0070.00018.39
8.0.270.0030.00517.27
8.0.260.0030.00316.86
8.0.250.0030.00316.81
8.0.240.0040.00416.80
8.0.230.0060.00316.96
8.0.220.0070.00016.90
8.0.210.0030.00316.75
8.0.200.0070.00016.93
8.0.190.0040.00416.94
8.0.180.0050.00216.85
8.0.170.0070.00016.86
8.0.160.0000.00716.82
8.0.150.0070.00016.80
8.0.140.0000.00816.89
8.0.130.0030.00313.27
8.0.120.0050.00316.91
8.0.110.0000.00716.91
8.0.100.0040.00416.76
8.0.90.0050.00316.75
8.0.80.0030.01416.76
8.0.70.0080.00016.72
8.0.60.0070.00017.00
8.0.50.0040.00416.82
8.0.30.0120.01017.05
8.0.20.0090.00917.40
8.0.10.0080.00017.05
8.0.00.0090.01116.72
7.4.330.0030.00315.00
7.4.320.0030.00316.59
7.4.300.0000.00716.44
7.4.290.0000.00716.63
7.4.280.0070.00316.59
7.4.270.0030.00316.58
7.4.260.0020.00213.24
7.4.250.0000.00716.55
7.4.240.0040.00416.45
7.4.230.0070.00016.47
7.4.220.0140.00416.69
7.4.210.0080.00716.52
7.4.200.0070.00016.69
7.4.190.0000.00716.53
7.4.160.0090.00616.21
7.4.150.0120.00917.40
7.4.140.0080.00917.86
7.4.130.0070.01316.53
7.4.120.0070.01016.29
7.4.110.0060.01216.63
7.4.100.0100.00716.43
7.4.90.0090.00916.34
7.4.80.0060.01019.39
7.4.70.0100.00716.42
7.4.60.0090.00916.36
7.4.50.0040.00416.50
7.4.40.0110.00322.77
7.4.30.0140.00316.47
7.4.00.0080.00814.75
7.3.330.0050.00012.98
7.3.320.0040.00412.92
7.3.310.0030.00316.18
7.3.300.0000.00616.07
7.3.290.0030.01516.13
7.3.280.0090.00816.15
7.3.270.0060.01017.40
7.3.260.0100.00616.10
7.3.250.0100.00916.30
7.3.240.0110.01116.45
7.3.230.0140.00316.39
7.3.210.0100.00716.46
7.3.200.0050.01419.39
7.3.190.0130.00616.38
7.3.180.0030.01216.27
7.3.170.0130.00316.50
7.3.160.0060.01016.22
7.3.120.0080.00614.67
7.2.330.0120.00616.62
7.2.320.0060.01216.71
7.2.310.0170.00016.23
7.2.300.0040.01416.74
7.2.290.0060.01216.28
7.2.00.0030.00619.02
7.1.100.0000.01518.11
7.1.70.0030.00516.87
7.1.60.0070.01719.32
7.1.50.0060.01916.95
7.1.00.0000.03722.45
7.0.200.0020.00516.80
7.0.140.0030.07321.92
7.0.70.0000.08321.68
7.0.60.0030.04321.82
7.0.50.0000.08021.95
7.0.40.0000.05020.13
7.0.30.0030.06720.17
7.0.20.0070.06720.10
7.0.10.0130.05720.11
7.0.00.0070.07720.13
5.6.280.0100.07020.81
5.6.220.0000.08720.61
5.6.210.0030.07720.60
5.6.200.0000.08721.02
5.6.190.0000.09320.92
5.6.180.0000.08721.03
5.6.170.0070.08321.00
5.6.160.0070.08320.95
5.6.150.0030.08321.07
5.6.140.0100.05720.98
5.6.130.0000.08721.04
5.6.120.0100.07321.15
5.6.110.0000.08020.99
5.6.100.0000.08320.99
5.6.90.0130.08021.00
5.6.80.0000.08020.32
5.6.70.0070.08320.31
5.6.60.0030.08020.39
5.6.50.0100.07320.38
5.6.40.0100.05720.32
5.6.30.0070.08020.41
5.6.20.0000.06720.36
5.6.10.0030.08020.42
5.6.00.0100.06020.29
5.5.360.0100.05020.33
5.5.350.0030.04020.37
5.5.340.0070.08320.87
5.5.330.0030.06320.88
5.5.320.0000.08720.75
5.5.310.0030.05320.79
5.5.300.0130.04020.75
5.5.290.0000.08020.85
5.5.280.0100.07720.87
5.5.270.0030.06720.80
5.5.260.0030.08720.78
5.5.250.0000.09320.72
5.5.240.0100.07020.25
5.5.230.0000.07720.12
5.5.220.0030.07020.08
5.5.210.0100.07320.13
5.5.200.0130.05320.20
5.5.190.0070.07720.07
5.5.180.0030.08019.98
5.5.160.0070.07020.16
5.5.150.0070.08020.23
5.5.140.0030.05319.95
5.5.130.0100.07720.23
5.5.120.0100.07720.20
5.5.110.0070.07320.11
5.5.100.0030.07720.10
5.5.90.0000.07720.07
5.5.80.0030.08320.03
5.5.70.0130.05720.13
5.5.60.0000.08019.95
5.5.50.0000.07019.88
5.5.40.0100.07020.13
5.5.30.0100.07320.12
5.5.20.0170.06719.98
5.5.10.0070.07320.03
5.5.00.0030.07020.03
5.4.450.0130.06019.29
5.4.440.0070.08019.09
5.4.430.0030.08319.42
5.4.420.0130.07319.34
5.4.410.0030.06718.97
5.4.400.0030.07718.77
5.4.390.0030.07018.77
5.4.380.0070.07319.02
5.4.370.0030.07718.96
5.4.360.0030.07718.96
5.4.350.0030.07019.13
5.4.340.0000.08019.02
5.4.320.0030.08019.06
5.4.310.0030.06718.95
5.4.300.0000.08319.21
5.4.290.0030.03718.77
5.4.280.0030.08318.96
5.4.270.0000.07718.96
5.4.260.0100.07018.79
5.4.250.0100.07019.04
5.4.240.0000.06019.05
5.4.230.0030.07019.04
5.4.220.0000.06719.20
5.4.210.0030.07718.88
5.4.200.0100.06319.20
5.4.190.0000.07719.20
5.4.180.0030.05718.92
5.4.170.0000.06318.88
5.4.160.0030.05718.91
5.4.150.0030.06318.94
5.4.140.0070.05716.25
5.4.130.0070.07316.21
5.4.120.0030.06016.32
5.4.110.0000.08316.32
5.4.100.0070.07016.34
5.4.90.0030.07016.36
5.4.80.0070.06716.28
5.4.70.0000.06716.23
5.4.60.0000.07316.18
5.4.50.0030.06716.39
5.4.40.0070.07016.42
5.4.30.0100.06716.33
5.4.20.0070.07016.33
5.4.10.0070.06316.26
5.4.00.0030.06015.65
5.3.290.0030.08014.64
5.3.280.0030.07714.42
5.3.270.0030.07714.58
5.3.260.0070.07014.44
5.3.250.0000.08014.55
5.3.240.0030.07014.42
5.3.230.0030.05714.56
5.3.220.0070.06714.54
5.3.210.0070.07314.38
5.3.200.0070.07314.55
5.3.190.0000.06314.41
5.3.180.0030.07714.41
5.3.170.0000.06314.54
5.3.160.0100.06314.55
5.3.150.0000.07714.54
5.3.140.0130.07014.51
5.3.130.0100.07314.49
5.3.120.0030.08014.52
5.3.110.0030.07714.50
5.3.100.0030.07313.97
5.3.90.0030.07714.02
5.3.80.0030.07014.00
5.3.70.0030.07713.80
5.3.60.0000.04713.98
5.3.50.0100.04713.90
5.3.40.0030.07313.70
5.3.30.0030.07013.88
5.3.20.0100.06713.54
5.3.10.0000.06713.64
5.3.00.0000.05013.43
5.2.170.0000.06711.43
5.2.160.0070.05711.43
5.2.150.0070.05311.43
5.2.140.0070.05711.43
5.2.130.0030.06011.43
5.2.120.0070.06011.43
5.2.110.0030.05011.43
5.2.100.0000.06311.43
5.2.90.0000.06011.43
5.2.80.0030.04711.43
5.2.70.0030.06011.43
5.2.60.0070.05311.43
5.2.50.0000.05311.43
5.2.40.0000.06011.43
5.2.30.0000.04311.43
5.2.20.0030.05311.43
5.2.10.0000.06311.43
5.2.00.0070.04711.43
5.1.60.0070.04711.43
5.1.50.0000.05011.43
5.1.40.0030.05311.43
5.1.30.0030.05711.43
5.1.20.0070.04711.43
5.1.10.0000.05311.43
5.1.00.0000.05011.43
5.0.50.0000.03311.43
5.0.40.0070.04011.43
5.0.30.0030.06011.43
5.0.20.0030.03311.43
5.0.10.0000.03711.43
5.0.00.0000.05711.43
4.4.90.0030.03311.43
4.4.80.0030.03311.43
4.4.70.0030.03011.43
4.4.60.0030.03011.43
4.4.50.0030.03311.43
4.4.40.0000.06011.43
4.4.30.0000.03711.43
4.4.20.0000.03011.43
4.4.10.0030.03711.43
4.4.00.0000.04311.43
4.3.110.0000.03711.43
4.3.100.0000.02711.43
4.3.90.0070.02711.43
4.3.80.0070.04711.43
4.3.70.0000.03011.43
4.3.60.0000.03311.43
4.3.50.0000.03311.43
4.3.40.0000.05311.43
4.3.30.0070.02311.43
4.3.20.0000.03311.43
4.3.10.0000.03311.43
4.3.00.0000.03011.43

preferences:
47.14 ms | 401 KiB | 5 Q