3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" => 5); $a = $c; echo !isset($a['d']['e']['f']); //$b = array('test', "deb"); //$c = array("sdf", "dsf"); //var_dump($a + $b); class A { protected $b = 5; } $a = new A(); var_dump(json_decode(json_encode($a)));

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)
8.3.60.0040.01218.43
8.3.50.0140.01021.02
8.3.40.0040.01118.52
8.3.30.0130.00020.21
8.3.20.0000.00820.30
8.3.10.0080.00021.95
8.3.00.0040.00422.57
8.2.180.0070.01116.63
8.2.170.0110.00422.96
8.2.160.0110.00422.03
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00617.63
8.2.110.0060.00319.38
8.2.100.0080.00417.97
8.2.90.0040.00419.23
8.2.80.0000.00917.97
8.2.70.0060.00317.75
8.2.60.0000.00817.93
8.2.50.0030.00518.10
8.2.40.0040.00420.60
8.2.30.0000.00818.19
8.2.20.0040.00417.83
8.2.10.0060.00317.73
8.2.00.0050.00317.80
8.1.280.0200.00025.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.98
8.1.230.0070.00417.70
8.1.220.0000.00817.76
8.1.210.0000.00818.77
8.1.200.0050.00517.13
8.1.190.0000.01117.13
8.1.180.0040.00418.10
8.1.170.0060.00318.47
8.1.160.0000.00722.17
8.1.150.0070.00018.64
8.1.140.0000.00817.48
8.1.130.0030.00517.50
8.1.120.0000.00717.45
8.1.110.0040.00417.33
8.1.100.0070.00017.38
8.1.90.0030.00317.41
8.1.80.0000.00717.50
8.1.70.0030.00317.43
8.1.60.0030.00617.46
8.1.50.0040.00417.38
8.1.40.0030.00617.44
8.1.30.0000.00817.49
8.1.20.0000.00817.70
8.1.10.0040.00417.48
8.1.00.0070.00017.49
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0030.00318.48
8.0.270.0030.00317.21
8.0.260.0070.00016.88
8.0.250.0000.00717.11
8.0.240.0000.00717.07
8.0.230.0030.00316.88
8.0.220.0030.00316.81
8.0.210.0000.00716.94
8.0.200.0030.00316.84
8.0.190.0000.00716.95
8.0.180.0040.00416.91
8.0.170.0000.00816.87
8.0.160.0000.00717.00
8.0.150.0040.00416.80
8.0.140.0000.00816.88
8.0.130.0030.00313.34
8.0.120.0040.00416.86
8.0.110.0040.00416.94
8.0.100.0040.00416.93
8.0.90.0060.00316.91
8.0.80.0060.00916.84
8.0.70.0070.00017.01
8.0.60.0070.00016.85
8.0.50.0000.00716.93
8.0.30.0130.00517.12
8.0.20.0110.00717.40
8.0.10.0020.00516.96
8.0.00.0080.00916.84
7.4.330.0000.00515.00
7.4.320.0030.00316.51
7.4.300.0030.00316.51
7.4.290.0000.00716.41
7.4.280.0070.00016.57
7.4.270.0030.00316.36
7.4.260.0000.00716.40
7.4.250.0030.00516.51
7.4.240.0040.00316.51
7.4.230.0070.00016.71
7.4.220.0190.00716.58
7.4.210.0070.01016.52
7.4.200.0070.00016.52
7.4.190.0040.00416.61
7.4.160.0130.00316.63
7.4.150.0080.01117.40
7.4.140.0130.00817.86
7.4.130.0100.00716.55
7.4.120.0070.01016.46
7.4.110.0140.00316.53
7.4.100.0070.01416.38
7.4.90.0100.00716.44
7.4.80.0050.01119.39
7.4.70.0070.01016.42
7.4.60.0130.00316.56
7.4.50.0080.00016.64
7.4.40.0060.01022.77
7.4.30.0150.00316.43
7.4.00.0000.01114.79
7.3.330.0000.00613.23
7.3.320.0000.00513.36
7.3.310.0070.00016.41
7.3.300.0000.00716.31
7.3.290.0130.00016.39
7.3.280.0060.00916.33
7.3.270.0030.01317.40
7.3.260.0110.01116.38
7.3.250.0090.01116.46
7.3.240.0100.01316.36
7.3.230.0070.01116.48
7.3.210.0130.00316.34
7.3.200.0090.00919.39
7.3.190.0150.00316.22
7.3.180.0100.00616.70
7.3.170.0110.01116.39
7.3.160.0030.01316.50
7.3.120.0070.00715.13
7.2.330.0070.01116.64
7.2.320.0140.00516.45
7.2.310.0120.00616.66
7.2.300.0030.01316.25
7.2.290.0080.00816.60
7.2.00.0070.01019.07
7.1.100.0060.00318.17
7.1.70.0000.00717.13
7.1.60.0060.01319.32
7.1.50.0100.01616.82
7.1.00.0030.03322.33
7.0.200.0270.00714.67
7.0.140.0070.07022.06
7.0.90.0130.09020.04
7.0.80.0200.07019.94
7.0.70.0130.08319.93
7.0.60.0200.05319.98
7.0.50.0070.09020.27
7.0.40.0130.07720.00
7.0.30.0130.07019.95
7.0.20.0070.06720.08
7.0.10.0100.07020.07
7.0.00.0070.04020.07
5.6.280.0030.07320.81
5.6.240.0100.06020.69
5.6.230.0030.04720.62
5.6.220.0070.07320.67
5.6.210.0100.07320.67
5.6.200.0130.07321.17
5.6.190.0030.06721.01
5.6.180.0030.04721.04
5.6.170.0000.06321.00
5.6.160.0070.04320.95
5.6.150.0070.07021.03
5.6.140.0070.07320.93
5.6.130.0070.07321.08
5.6.120.0070.04021.00
5.6.110.0070.08021.01
5.6.100.0130.06321.00
5.6.90.0130.06021.02
5.6.80.0030.08320.47
5.6.70.0170.07720.43
5.6.60.0130.03720.30
5.6.50.0130.07320.40
5.6.40.0100.04320.40
5.6.30.0230.06720.45
5.6.20.0100.07320.30
5.6.10.0100.04020.38
5.6.00.0130.06720.37
5.5.380.0270.07020.36
5.5.370.0070.08320.39
5.5.360.0030.08020.36
5.5.350.0000.05320.45
5.5.340.0030.08020.80
5.5.330.0070.09020.71
5.5.320.0070.04320.91
5.5.310.0130.08020.73
5.5.300.0200.06720.64
5.5.290.0030.05320.82
5.5.280.0130.04020.91
5.5.270.0100.03720.77
5.5.260.0030.05720.91
5.5.250.0100.04720.73
5.5.240.0030.04720.26
5.5.230.0100.07720.30
5.5.220.0000.06020.29
5.5.210.0130.06020.25
5.5.200.0070.07720.21
5.5.190.0130.06320.17
5.5.180.0000.05320.07
5.5.160.0030.08020.22
5.5.150.0070.08320.26
5.5.140.0070.06720.17
5.5.130.0100.07720.26
5.5.120.0070.07720.25
5.5.110.0070.08720.25
5.5.100.0070.08019.96
5.5.90.0070.06719.94
5.5.80.0030.07719.93
5.5.70.0000.06320.08
5.5.60.0030.05720.05
5.5.50.0100.04320.14
5.5.40.0100.07319.95
5.5.30.0100.07020.07
5.5.20.0100.07320.09
5.5.10.0030.04320.00
5.5.00.0000.06020.05
5.4.450.0130.06719.56
5.4.440.0070.04719.23
5.4.430.0030.06019.45
5.4.420.0100.07019.47
5.4.410.0130.07319.24
5.4.400.0200.06019.21
5.4.390.0070.07318.95
5.4.380.0030.07719.22
5.4.370.0070.03719.09
5.4.360.0030.05019.18
5.4.350.0070.04019.23
5.4.340.0100.04319.23
5.4.320.0030.07718.90
5.4.310.0030.07719.18
5.4.300.0070.04719.14
5.4.290.0030.07019.12
5.4.280.0070.08019.12
5.4.270.0100.07019.03
5.4.260.0030.07718.98
5.4.250.0130.04019.20
5.4.240.0030.04319.17
5.4.230.0130.07018.90
5.4.220.0070.04019.23
5.4.210.0070.07319.04
5.4.200.0070.05319.02
5.4.190.0030.05718.89
5.4.180.0070.03719.01
5.4.170.0000.06719.11
5.4.160.0070.06319.08
5.4.150.0100.05018.92
5.4.140.0000.04016.45
5.4.130.0030.03716.28
5.4.120.0000.04016.27
5.4.110.0070.07016.34
5.4.100.0030.07316.36
5.4.90.0030.06716.51
5.4.80.0070.06716.38
5.4.70.0100.06716.38
5.4.60.0070.05716.54
5.4.50.0030.06016.33
5.4.40.0070.03316.35
5.4.30.0100.05016.21
5.4.20.0170.05716.46
5.4.10.0070.06016.32
5.4.00.0000.04715.83
5.3.290.0130.04714.66
5.3.280.0070.06314.58
5.3.270.0100.07714.71
5.3.260.0070.03714.72
5.3.250.0130.06714.74
5.3.240.0070.07314.54
5.3.230.0000.04014.71
5.3.220.0100.07014.59
5.3.210.0030.07714.49
5.3.200.0100.05714.52
5.3.190.0070.07314.55
5.3.180.0130.06714.49
5.3.170.0030.03714.61
5.3.160.0130.07014.53
5.3.150.0030.07314.57
5.3.140.0100.04314.50
5.3.130.0200.06014.50
5.3.120.0070.07714.57
5.3.110.0130.07314.57
5.3.100.0000.08014.09
5.3.90.0000.07714.11
5.3.80.0100.03014.00
5.3.70.0000.04313.90
5.3.60.0000.05014.12
5.3.50.0000.07013.93
5.3.40.0100.07014.08
5.3.30.0100.03013.89
5.3.20.0030.07313.61
5.3.10.0100.06713.66
5.3.00.0070.07313.62
5.2.170.0030.06711.05
5.2.160.0070.04311.16
5.2.150.0000.04311.13
5.2.140.0100.05711.15
5.2.130.0030.05311.21
5.2.120.0130.02711.02
5.2.110.0070.05010.97
5.2.100.0000.04011.15
5.2.90.0000.03311.02
5.2.80.0000.06310.94
5.2.70.0000.03311.09
5.2.60.0100.02711.03
5.2.50.0070.03010.91
5.2.40.0000.06710.90
5.2.30.0030.06010.98
5.2.20.0030.05011.01
5.2.10.0000.03010.86
5.2.00.0000.05010.64
5.1.60.0070.05310.07
5.1.50.0070.04010.05
5.1.40.0100.0409.96
5.1.30.0100.04310.28
5.1.20.0070.05310.21
5.1.10.0070.05310.05
5.1.00.0030.04710.09
5.0.50.0030.0238.54
5.0.40.0100.0208.39
5.0.30.0000.0508.21
5.0.20.0070.0438.28
5.0.10.0000.0308.24
5.0.00.0030.0638.14
4.4.90.0030.0137.75
4.4.80.0030.0237.75
4.4.70.0070.0237.75
4.4.60.0000.0277.75
4.4.50.0000.0307.75
4.4.40.0000.0337.75
4.4.30.0030.0307.75
4.4.20.0000.0407.75
4.4.10.0030.0307.75
4.4.00.0070.0477.75
4.3.110.0030.0307.75
4.3.100.0070.0137.75
4.3.90.0000.0237.75
4.3.80.0070.0307.75
4.3.70.0030.0177.75
4.3.60.0030.0177.75
4.3.50.0030.0377.75
4.3.40.0070.0477.75
4.3.30.0000.0207.75
4.3.20.0000.0377.75
4.3.10.0000.0237.75
4.3.00.0000.0307.75

preferences:
58.87 ms | 400 KiB | 5 Q