3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P{ public $foo; } class C extends P { public $lol; public function getFields() { var_dump(array_keys(get_class_vars(get_class(parent)))); return array_keys(get_class_vars(__CLASS__)); } } $c = new C(); var_dump($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)
8.3.70.0140.00316.75
8.3.60.0140.00718.43
8.3.50.0170.00521.99
8.3.40.0120.00318.79
8.3.30.0070.01018.82
8.3.20.0040.00420.35
8.3.10.0050.00221.92
8.3.00.0050.00322.39
8.2.190.0130.01018.66
8.2.180.0090.00618.54
8.2.170.0080.00822.96
8.2.160.0000.01320.93
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00419.48
8.2.110.0090.00022.07
8.2.100.0060.00617.87
8.2.90.0000.00719.23
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.14
8.2.30.0030.00618.05
8.2.20.0070.00017.73
8.2.10.0030.00617.63
8.2.00.0040.00417.75
8.1.280.0080.00625.92
8.1.270.0030.00623.84
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.85
8.1.230.0070.00419.14
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0070.00317.35
8.1.190.0000.00717.52
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0040.00422.03
8.1.150.0090.00318.64
8.1.140.0030.00617.46
8.1.130.0080.00017.85
8.1.120.0000.00717.45
8.1.110.0000.00717.46
8.1.100.0030.00617.44
8.1.90.0000.00717.29
8.1.80.0040.00417.48
8.1.70.0040.00417.41
8.1.60.0080.00317.50
8.1.50.0040.00417.55
8.1.40.0000.00817.51
8.1.30.0030.00617.53
8.1.20.0000.00817.66
8.1.10.0080.00017.61
8.1.00.0040.00417.41
8.0.300.0030.00518.77
8.0.290.0070.00017.18
8.0.280.0030.00318.45
8.0.270.0040.00417.28
8.0.260.0030.00616.90
8.0.250.0040.00417.04
8.0.240.0000.00816.99
8.0.230.0000.00617.07
8.0.220.0000.00816.88
8.0.210.0000.00717.00
8.0.200.0000.00616.89
8.0.190.0000.00817.04
8.0.180.0000.00716.88
8.0.170.0030.00516.89
8.0.160.0040.00417.04
8.0.150.0000.00716.92
8.0.140.0000.00816.97
8.0.130.0030.00313.40
8.0.120.0000.00816.85
8.0.110.0000.00816.94
8.0.100.0000.00816.80
8.0.90.0050.00317.01
8.0.80.0130.00316.94
8.0.70.0040.00416.86
8.0.60.0070.00017.02
8.0.50.0040.00416.83
8.0.30.0070.01317.15
8.0.20.0140.00617.40
8.0.10.0040.00417.11
8.0.00.0170.00316.99
7.4.330.0050.00015.03
7.4.320.0020.00516.62
7.4.300.0000.00616.46
7.4.290.0000.00716.53
7.4.280.0050.00216.60
7.4.270.0000.00716.66
7.4.260.0030.00316.45
7.4.250.0070.00016.47
7.4.240.0040.00416.57
7.4.230.0000.00716.63
7.4.220.0060.01216.56
7.4.210.0060.01016.54
7.4.200.0030.00316.62
7.4.190.0040.00416.55
7.4.160.0000.01616.73
7.4.150.0070.01117.40
7.4.140.0110.01217.86
7.4.130.0090.00716.57
7.4.120.0100.01116.55
7.4.110.0140.00416.60
7.4.100.0040.01316.38
7.4.90.0060.01216.67
7.4.80.0100.01016.61
7.4.70.0110.00516.39
7.4.60.0030.01416.54
7.4.50.0040.00416.42
7.4.40.0060.00922.77
7.4.30.0060.01016.49
7.4.00.0070.00714.86
7.3.330.0000.00613.31
7.3.320.0000.00513.30
7.3.310.0030.00316.29
7.3.300.0060.00016.32
7.3.290.0090.00616.30
7.3.280.0060.01016.27
7.3.270.0130.00417.40
7.3.260.0170.00716.59
7.3.250.0050.01216.41
7.3.240.0060.01016.44
7.3.230.0110.00616.39
7.3.210.0070.01016.28
7.3.200.0030.01419.39
7.3.190.0080.02316.51
7.3.180.0060.01016.30
7.3.170.0030.01316.33
7.3.160.0120.00316.31
7.3.120.0000.01514.85
7.3.10.0040.01116.60
7.3.00.0060.00916.65
7.2.330.0070.01016.63
7.2.320.0070.01016.48
7.2.310.0110.00716.70
7.2.300.0090.00916.58
7.2.290.0030.01516.36
7.2.130.0110.00316.72
7.2.120.0000.01116.89
7.2.110.0000.00916.95
7.2.100.0030.00716.71
7.2.90.0040.01117.03
7.2.80.0030.00616.83
7.2.70.0030.01217.00
7.2.60.0060.00716.84
7.2.50.0000.01416.72
7.2.40.0100.00617.02
7.2.30.0070.00316.96
7.2.20.0080.00416.84
7.2.10.0030.00716.53
7.2.00.0050.00617.91
7.1.250.0030.01315.57
7.1.240.0070.00715.41
7.1.230.0030.00715.73
7.1.220.0070.00715.70
7.1.210.0060.00315.54
7.1.200.0050.00915.62
7.1.190.0040.00815.67
7.1.180.0070.00715.77
7.1.170.0040.00815.84
7.1.160.0000.00815.68
7.1.150.0000.00815.81
7.1.140.0000.00915.63
7.1.130.0040.01115.70
7.1.120.0030.01015.57
7.1.110.0030.01015.77
7.1.100.0030.01016.96
7.1.90.0040.00415.83
7.1.80.0110.00315.66
7.1.70.0040.00816.36
7.1.60.0070.00817.50
7.1.50.0050.01516.33
7.1.40.0040.00715.55
7.1.30.0050.00515.72
7.1.20.0080.00815.80
7.1.10.0030.01315.62
7.1.00.0000.04218.86
7.0.330.0100.00615.41
7.0.320.0040.00915.24
7.0.310.0060.00615.36
7.0.300.0050.00515.41
7.0.290.0000.01315.33
7.0.280.0030.00815.25
7.0.270.0060.00615.34
7.0.260.0040.00415.52
7.0.250.0040.00415.38
7.0.240.0030.01015.46
7.0.230.0040.01115.40
7.0.220.0090.00015.14
7.0.210.0080.00015.35
7.0.200.0060.00316.02
7.0.190.0070.00715.29
7.0.180.0030.00715.22
7.0.170.0060.00615.34
7.0.160.0070.01015.11
7.0.150.0040.00715.48
7.0.140.0080.03518.64
7.0.130.0040.00815.23
7.0.120.0060.00615.38
7.0.110.0230.03917.75
7.0.100.0250.02817.64
7.0.90.0070.02017.77
7.0.80.0120.03717.66
7.0.70.0070.02417.61
7.0.60.0070.02017.54
7.0.50.0110.02717.68
7.0.40.0030.03316.62
7.0.30.0030.02316.59
7.0.20.0060.04216.62
7.0.10.0050.02516.57
7.0.00.0050.03716.45
5.6.380.0030.00614.39
5.6.370.0030.01014.61
5.6.360.0000.01514.55
5.6.350.0030.00614.05
5.6.340.0100.00314.48
5.6.330.0040.00814.16
5.6.320.0000.01514.51
5.6.310.0040.00814.39
5.6.300.0030.01014.24
5.6.290.0000.01314.47
5.6.280.0040.03917.55
5.6.270.0000.01213.95
5.6.260.0020.02517.43
5.6.250.0050.03217.44
5.6.240.0050.01917.37
5.6.230.0080.01817.57
5.6.220.0030.02717.48
5.6.210.0050.02217.50
5.6.200.0040.02517.47
5.6.190.0070.02917.50
5.6.180.0050.04317.41
5.6.170.0020.03017.45
5.6.160.0020.03117.26
5.6.150.0030.02317.38
5.6.140.0050.02717.41
5.6.130.0060.03017.42
5.6.120.0050.04017.47
5.6.110.0100.03717.47
5.6.100.0080.02217.44
5.6.90.0120.03617.59
5.6.80.0080.03817.14
5.6.70.0050.02517.18
5.6.60.0030.04017.05
5.6.50.0050.02717.08
5.6.40.0080.02217.00
5.6.30.0030.02717.03
5.6.20.0090.02017.03
5.6.10.0080.01917.06
5.6.00.0080.02016.96
5.5.380.0030.03414.61
5.5.370.0030.04014.68
5.5.360.0080.04214.61
5.5.350.0050.02214.45
5.5.340.0020.03214.87
5.5.330.0040.02414.89
5.5.320.0060.03814.78
5.5.310.0050.03314.84
5.5.300.0000.02414.88
5.5.290.0030.02314.95
5.5.280.0000.03614.78
5.5.270.0060.03914.77
5.5.260.0030.03614.88
5.5.250.0020.02714.75
5.5.240.0070.03514.47
5.5.230.0050.02014.63
5.5.220.0100.02814.47
5.5.210.0070.03114.53
5.5.200.0040.02114.56
5.5.190.0070.02014.56
5.5.180.0080.04014.56
5.5.170.0000.01111.64
5.5.160.0050.03214.61
5.5.150.0020.02514.52
5.5.140.0040.02314.54
5.5.130.0020.02614.54
5.5.120.0070.01814.61
5.5.110.0020.02914.46
5.5.100.0060.02214.36
5.5.90.0030.02114.40
5.5.80.0100.03014.50
5.5.70.0050.02314.40
5.5.60.0070.03214.39
5.5.50.0030.02814.50
5.5.40.0050.02014.42
5.5.30.0030.02814.47
5.5.20.0050.02014.48
5.5.10.0030.02314.47
5.5.00.0030.03514.40
5.4.450.0050.02715.50
5.4.440.0020.02415.55
5.4.430.0030.02815.56
5.4.420.0030.02615.52
5.4.410.0030.03015.57
5.4.400.0010.02315.42
5.4.390.0060.03515.34
5.4.380.0070.01815.33
5.4.370.0040.03015.44
5.4.360.0030.02215.41
5.4.350.0100.02015.38
5.4.340.0030.02015.33
5.4.330.0030.00611.64
5.4.320.0030.02315.32
5.4.310.0050.02015.32
5.4.300.0030.02015.31
5.4.290.0030.03215.40
5.4.280.0020.04115.42
5.4.270.0010.03215.41
5.4.260.0030.02515.38
5.4.250.0050.02015.32
5.4.240.0070.04215.48
5.4.230.0050.03515.39
5.4.220.0030.03315.32
5.4.210.0120.03815.32
5.4.200.0050.02715.43
5.4.190.0120.01715.38
5.4.180.0050.03115.32
5.4.170.0090.02515.33
5.4.160.0070.03315.35
5.4.150.0060.02015.28
5.4.140.0020.02714.13
5.4.130.0070.02213.98
5.4.120.0090.03014.06
5.4.110.0020.03014.06
5.4.100.0050.02514.05
5.4.90.0080.01414.05
5.4.80.0050.01914.02
5.4.70.0060.01914.09
5.4.60.0030.01913.99
5.4.50.0070.01513.93
5.4.40.0050.01814.04
5.4.30.0050.02114.13
5.4.20.0050.01814.07
5.4.10.0050.01714.01
5.4.00.0070.01513.71
5.3.290.0100.01813.16
5.3.280.0030.02113.18
5.3.270.0030.02913.24
5.3.260.0040.03013.16
5.3.250.0000.04113.13
5.3.240.0060.02213.12
5.3.230.0030.02513.10
5.3.220.0030.03613.04
5.3.210.0020.02313.11
5.3.200.0030.01713.11
5.3.190.0000.02313.10
5.3.180.0070.01813.14
5.3.170.0050.01813.12
5.3.160.0050.01813.12
5.3.150.0030.02213.08
5.3.140.0030.02113.17
5.3.130.0060.01713.10
5.3.120.0060.02013.13
5.3.110.0020.02213.10
5.3.100.0030.01812.82
5.3.90.0020.01812.87
5.3.80.0030.01812.87
5.3.70.0040.01812.87
5.3.60.0040.01812.82
5.3.50.0000.02112.83
5.3.40.0000.02612.79
5.3.30.0010.01912.84
5.3.20.0060.01712.70
5.3.10.0020.02012.64
5.3.00.0040.02012.65
5.2.170.0000.01711.79
5.2.160.0030.01411.79
5.2.150.0000.02011.79
5.2.140.0020.01511.79
5.2.130.0060.01211.79
5.2.120.0030.01311.79
5.2.110.0010.01811.79
5.2.100.0030.01511.79
5.2.90.0060.01211.79
5.2.80.0050.01511.79
5.2.70.0030.01611.79
5.2.60.0050.01711.79
5.2.50.0040.01311.79
5.2.40.0050.01211.79
5.2.30.0040.01311.79
5.2.20.0020.01611.79
5.2.10.0050.01311.79
5.2.00.0020.01511.79
5.1.60.0030.01111.79
5.1.50.0030.01311.79
5.1.40.0010.01311.79
5.1.30.0020.01711.79
5.1.20.0010.01511.79
5.1.10.0040.01111.79
5.1.00.0040.01111.79
5.0.50.0000.01411.79
5.0.40.0020.01011.79
5.0.30.0030.01511.79
5.0.20.0020.01011.79
5.0.10.0000.01111.79
5.0.00.0040.01211.79
4.4.90.0000.00911.79
4.4.80.0020.00711.79
4.4.70.0020.00711.79
4.4.60.0000.01011.79
4.4.50.0020.00711.79
4.4.40.0000.01211.79
4.4.30.0000.00911.79
4.4.20.0000.01011.79
4.4.10.0040.00511.79
4.4.00.0010.01111.79
4.3.110.0020.00811.79
4.3.100.0020.00711.79
4.3.90.0030.00511.79
4.3.80.0000.01211.79
4.3.70.0000.00911.79
4.3.60.0020.00811.79
4.3.50.0020.00811.79
4.3.40.0020.01111.79
4.3.30.0000.01111.79
4.3.20.0020.00811.79
4.3.10.0010.00811.79
4.3.00.0010.00811.79

preferences:
39.4 ms | 401 KiB | 5 Q