3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P{ public $foo; } class C extends P { public $lol; public function getFields() { $p = array_keys(get_class_vars(get_parent_class(C))); $c = array_keys(get_class_vars(C)); return array_diff($c, $p); } } $c = new C(); var_dump($c->getFields());

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)
8.3.40.0090.01218.88
8.3.30.0150.00019.17
8.3.20.0050.00220.21
8.3.10.0080.00022.09
8.3.00.0000.00722.52
8.2.170.0110.00422.96
8.2.160.0070.00719.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0080.00019.35
8.2.110.0030.00719.45
8.2.100.0070.00417.91
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0040.00817.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00420.07
8.2.30.0040.00717.94
8.2.20.0000.00717.72
8.2.10.0000.00717.76
8.2.00.0030.00517.76
8.1.270.0040.00422.10
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.06
8.1.230.0040.00719.10
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0070.00317.35
8.1.190.0040.00417.63
8.1.180.0000.00818.82
8.1.170.0060.00318.50
8.1.160.0070.00022.12
8.1.150.0070.00018.57
8.1.140.0060.00317.47
8.1.130.0030.00317.75
8.1.120.0000.00717.48
8.1.110.0080.00017.41
8.1.100.0030.00317.50
8.1.90.0040.00417.30
8.1.80.0040.00417.38
8.1.70.0030.00317.41
8.1.60.0000.00817.64
8.1.50.0040.00417.56
8.1.40.0040.00417.52
8.1.30.0030.00517.64
8.1.20.0000.00817.62
8.1.10.0000.00717.57
8.1.00.0060.00317.40
8.0.300.0000.00818.77
8.0.290.0070.00017.05
8.0.280.0000.00718.46
8.0.270.0030.00317.27
8.0.260.0030.00316.76
8.0.250.0000.00716.98
8.0.240.0030.00317.07
8.0.230.0050.00317.01
8.0.220.0030.00316.86
8.0.210.0000.00716.83
8.0.200.0030.00316.91
8.0.190.0040.00417.00
8.0.180.0070.00016.87
8.0.170.0040.00416.96
8.0.160.0080.00016.87
8.0.150.0040.00416.79
8.0.140.0000.00716.95
8.0.130.0030.00313.39
8.0.120.0050.00316.93
8.0.110.0040.00417.03
8.0.100.0030.00316.91
8.0.90.0040.00416.95
8.0.80.0060.01316.88
8.0.70.0000.00717.03
8.0.60.0000.00816.74
8.0.50.0070.00017.02
8.0.30.0160.00517.24
8.0.20.0100.00817.40
8.0.10.0030.00317.07
8.0.00.0110.01116.75
7.4.330.0060.00015.00
7.4.320.0060.00016.41
7.4.300.0000.00716.40
7.4.290.0000.00716.49
7.4.280.0070.00016.50
7.4.270.0030.00316.54
7.4.260.0070.00016.48
7.4.250.0000.00816.48
7.4.240.0060.00216.57
7.4.230.0070.00016.55
7.4.220.0190.00316.56
7.4.210.0100.00616.53
7.4.200.0060.00316.61
7.4.190.0030.00516.45
7.4.160.0030.01416.79
7.4.150.0110.00717.40
7.4.140.0090.01217.86
7.4.130.0090.00916.55
7.4.120.0100.00716.54
7.4.110.0090.01216.47
7.4.100.0110.00716.46
7.4.90.0090.00916.35
7.4.80.0070.01319.39
7.4.70.0220.00016.48
7.4.60.0060.00916.64
7.4.50.0000.00816.31
7.4.40.0110.00622.77
7.4.30.0110.01116.59
7.4.00.0100.00315.02
7.3.330.0030.00313.13
7.3.320.0030.00313.09
7.3.310.0000.00816.34
7.3.300.0000.00716.31
7.3.290.0070.01016.30
7.3.280.0090.00716.32
7.3.270.0140.00317.40
7.3.260.0130.00316.45
7.3.250.0130.00816.43
7.3.240.0130.00316.61
7.3.230.0000.01716.39
7.3.210.0040.01416.61
7.3.200.0070.01019.39
7.3.190.0120.00616.50
7.3.180.0040.01216.27
7.3.170.0110.00716.54
7.3.160.0160.00016.31
7.3.120.0060.00614.79
7.2.330.0040.01316.67
7.2.320.0070.01116.30
7.2.310.0060.01316.45
7.2.300.0110.00616.70
7.2.290.0000.01616.57
7.2.60.0040.01116.51
7.2.00.0030.00919.21
7.1.200.0030.00915.89
7.1.100.0030.00618.18
7.1.70.0110.00016.87
7.1.60.0040.01419.82
7.1.50.0030.02116.90
7.1.00.0070.07322.35
7.0.200.0040.00816.75
7.0.140.0200.06022.09
7.0.100.0200.04720.02
7.0.90.0230.06319.90
7.0.80.0000.04319.89
7.0.70.0100.05019.88
7.0.60.0270.07019.93
7.0.50.0000.09020.26
7.0.40.0070.04020.13
7.0.30.0070.06020.05
7.0.20.0030.07320.14
7.0.10.0070.08020.10
7.0.00.0130.08020.02
5.6.280.0070.07021.12
5.6.250.0030.04020.44
5.6.240.0070.04020.45
5.6.230.0070.07020.58
5.6.220.0100.08320.56
5.6.210.0100.04020.60
5.6.200.0100.08021.13
5.6.190.0030.04020.93
5.6.180.0130.08321.11
5.6.170.0100.03320.93
5.6.160.0070.04721.10
5.6.150.0100.03721.07
5.6.140.0030.06020.94
5.6.130.0170.03021.16
5.6.120.0070.08321.06
5.6.110.0070.04720.95
5.6.100.0100.07021.09
5.6.90.0070.06721.06
5.6.80.0130.06020.43
5.6.70.0000.04720.48
5.6.60.0200.06720.43
5.6.50.0130.07320.40
5.6.40.0030.05020.31
5.6.30.0070.08020.28
5.6.20.0130.07320.43
5.6.10.0270.05320.30
5.6.00.0070.04720.29
5.5.380.0100.03720.38
5.5.370.0100.05720.51
5.5.360.0030.06320.30
5.5.350.0100.07720.38
5.5.340.0130.05720.92
5.5.330.0070.04720.82
5.5.320.0030.07020.88
5.5.310.0200.08020.77
5.5.300.0030.09320.83
5.5.290.0070.07320.75
5.5.280.0100.03020.91
5.5.270.0000.08020.91
5.5.260.0070.03720.76
5.5.250.0030.07720.54
5.5.240.0130.02720.30
5.5.230.0000.05020.02
5.5.220.0070.06320.16
5.5.210.0030.07720.12
5.5.200.0070.07720.12
5.5.190.0130.07720.11
5.5.180.0070.07020.25
5.5.160.0070.08320.21
5.5.150.0130.07020.27
5.5.140.0030.04020.23
5.5.130.0100.06720.23
5.5.120.0170.07020.27
5.5.110.0130.08020.23
5.5.100.0130.05720.16
5.5.90.0100.04020.07
5.5.80.0170.06720.12
5.5.70.0000.07320.08
5.5.60.0130.06720.00
5.5.50.0030.06720.08
5.5.40.0100.09020.03
5.5.30.0100.07320.02
5.5.20.0000.05320.09
5.5.10.0070.04020.03
5.5.00.0070.04319.96
5.4.450.0000.04319.18
5.4.440.0030.03719.27
5.4.430.0100.07719.55
5.4.420.0000.07019.35
5.4.410.0170.06719.16
5.4.400.0000.04019.03
5.4.390.0030.08018.87
5.4.380.0130.06718.86
5.4.370.0130.03719.04
5.4.360.0130.04019.03
5.4.350.0030.04719.14
5.4.340.0070.08018.87
5.4.320.0030.05019.03
5.4.310.0130.05718.85
5.4.300.0030.03718.90
5.4.290.0000.04719.22
5.4.280.0100.05719.20
5.4.270.0100.07319.22
5.4.260.0130.06318.90
5.4.250.0100.03719.16
5.4.240.0100.05319.02
5.4.230.0130.06719.17
5.4.220.0030.08019.16
5.4.210.0070.05319.20
5.4.200.0170.05719.04
5.4.190.0070.04018.84
5.4.180.0000.07718.89
5.4.170.0000.04319.12
5.4.160.0100.07319.14
5.4.150.0200.05019.18
5.4.140.0070.04316.46
5.4.130.0170.03316.33
5.4.120.0030.04316.43
5.4.110.0130.03716.54
5.4.100.0070.04016.39
5.4.90.0100.06716.49
5.4.80.0030.06716.54
5.4.70.0100.06316.54
5.4.60.0100.06316.41
5.4.50.0130.03716.33
5.4.40.0130.06016.48
5.4.30.0070.06016.30
5.4.20.0030.05316.47
5.4.10.0030.06016.47
5.4.00.0100.03715.81
5.3.290.0030.04014.73
5.3.280.0070.06714.57
5.3.270.0070.06314.67
5.3.260.0000.07714.67
5.3.250.0070.05314.61
5.3.240.0130.06714.58
5.3.230.0100.05714.61
5.3.220.0130.05314.49
5.3.210.0030.06314.58
5.3.200.0100.06714.69
5.3.190.0070.06714.55
5.3.180.0100.06314.50
5.3.170.0030.07314.62
5.3.160.0030.05314.66
5.3.150.0130.06014.53
5.3.140.0200.02714.59
5.3.130.0000.04714.50
5.3.120.0070.05014.52
5.3.110.0030.08314.64
5.3.100.0000.05314.15
5.3.90.0100.05714.11
5.3.80.0030.04714.07
5.3.70.0070.07314.04
5.3.60.0130.06314.12
5.3.50.0100.04313.88
5.3.40.0100.05313.96
5.3.30.0030.07313.96
5.3.20.0070.07013.58
5.3.10.0030.05013.75
5.3.00.0000.03713.77
5.2.170.0000.03012.66
5.2.160.0130.05712.66
5.2.150.0070.02312.66
5.2.140.0070.03312.66
5.2.130.0070.05312.66
5.2.120.0000.05312.66
5.2.110.0000.05312.66
5.2.100.0030.03312.66
5.2.90.0000.04712.66
5.2.80.0100.05712.66
5.2.70.0070.05012.66
5.2.60.0030.03712.66
5.2.50.0070.06012.66
5.2.40.0130.06012.66
5.2.30.0070.05012.66
5.2.20.0070.06012.66
5.2.10.0030.03012.66
5.2.00.0070.03012.66
5.1.60.0030.02312.66
5.1.50.0030.02312.66
5.1.40.0070.02012.66
5.1.30.0030.02712.66
5.1.20.0100.02312.66
5.1.10.0030.02312.66
5.1.00.0070.02312.66
5.0.50.0000.02312.66
5.0.40.0000.02012.66
5.0.30.0030.02712.66
5.0.20.0000.02312.66
5.0.10.0000.02012.66
5.0.00.0030.02312.66
4.4.90.0070.03012.66
4.4.80.0070.02712.66
4.4.70.0070.02312.66
4.4.60.0000.02712.66
4.4.50.0000.02012.66
4.4.40.0000.02712.66
4.4.30.0000.01712.66
4.4.20.0030.01312.66
4.4.10.0030.02012.66
4.4.00.0000.02012.66
4.3.110.0030.01312.66
4.3.100.0030.01312.66
4.3.90.0030.01012.66
4.3.80.0000.02312.66
4.3.70.0000.01712.66
4.3.60.0000.01712.66
4.3.50.0000.03712.66
4.3.40.0030.02312.66
4.3.30.0030.03712.66
4.3.20.0030.02712.66
4.3.10.0000.02712.66
4.3.00.0000.02312.66

preferences:
44.92 ms | 400 KiB | 5 Q