3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { private $prop2; public function test_prop($prop) { return property_exists(__CLASS__, $prop); } } class Child extends P { private $prop1; public function test_prop2($prop) { return property_exists(__CLASS__, $prop); } } $child = new Child(); var_dump($child->test_prop('prop1')); //true, as of PHP 5.3.0 var_dump($child->test_prop('prop2')); var_dump($child->test_prop2('prop1')); var_dump($child->test_prop2('prop2'));

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)
8.3.60.0150.00618.18
8.3.50.0150.00721.97
8.3.40.0090.00618.53
8.3.30.0070.00718.79
8.3.20.0040.00420.33
8.3.10.0000.00821.90
8.3.00.0030.00617.67
8.2.180.0150.00316.38
8.2.170.0040.01122.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00926.16
8.2.120.0110.00421.03
8.2.110.0060.00322.07
8.2.100.0090.00317.66
8.2.90.0040.00419.09
8.2.80.0080.00017.97
8.2.70.0040.00417.47
8.2.60.0000.00717.80
8.2.50.0030.00618.07
8.2.40.0000.00818.16
8.2.30.0040.00418.05
8.2.20.0030.00617.61
8.2.10.0030.00617.98
8.2.00.0040.00417.56
8.1.280.0040.01125.92
8.1.270.0080.00023.92
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0000.01118.55
8.1.230.0070.00419.08
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00617.13
8.1.190.0080.00017.00
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0000.00721.98
8.1.150.0000.00818.73
8.1.140.0040.00717.28
8.1.130.0000.00717.88
8.1.120.0000.00717.36
8.1.110.0080.00017.39
8.1.100.0050.00217.29
8.1.90.0080.00017.38
8.1.80.0000.00717.40
8.1.70.0030.00317.31
8.1.60.0040.00417.57
8.1.50.0040.00417.40
8.1.40.0050.00217.54
8.1.30.0030.00517.58
8.1.20.0080.00017.53
8.1.10.0040.00417.50
8.1.00.0040.00417.46
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0070.00017.14
8.0.260.0000.00617.14
8.0.250.0070.00316.78
8.0.240.0000.00716.90
8.0.230.0030.00316.79
8.0.220.0070.00016.75
8.0.210.0070.00016.75
8.0.200.0000.00616.92
8.0.190.0030.00516.91
8.0.180.0050.00316.88
8.0.170.0000.00816.86
8.0.160.0030.00316.82
8.0.150.0000.00716.78
8.0.140.0100.00016.79
8.0.130.0080.00013.18
8.0.120.0030.00616.75
8.0.110.0040.00416.85
8.0.100.0080.00016.81
8.0.90.0030.00316.69
8.0.80.0030.01216.82
8.0.70.0040.00416.85
8.0.60.0030.00616.86
8.0.50.0000.00716.72
8.0.30.0170.00516.96
8.0.20.0120.01017.40
8.0.10.0000.00716.77
8.0.00.0080.01316.88
7.4.330.0000.00515.03
7.4.320.0050.00316.43
7.4.300.0000.00616.56
7.4.290.0000.00716.50
7.4.280.0070.00016.58
7.4.270.0000.00816.51
7.4.260.0070.00316.47
7.4.250.0040.00416.38
7.4.240.0030.00316.45
7.4.230.0000.00616.49
7.4.220.0120.00616.53
7.4.210.0040.01116.66
7.4.200.0070.00016.66
7.4.160.0050.01016.50
7.4.150.0060.01217.40
7.4.140.0080.00817.86
7.4.130.0090.00716.39
7.4.120.0110.00616.44
7.4.110.0060.01616.40
7.4.100.0120.00616.54
7.4.90.0100.00716.39
7.4.80.0120.00819.39
7.4.70.0030.01316.61
7.4.60.0030.01616.38
7.4.50.0030.00316.65
7.4.40.0120.00316.59
7.4.30.0080.00816.32
7.4.00.0100.00514.97
7.3.330.0050.00013.25
7.3.320.0000.00513.26
7.3.310.0030.00316.14
7.3.300.0030.00316.12
7.3.290.0060.00416.24
7.3.280.0120.00416.26
7.3.270.0040.01517.40
7.3.260.0140.00316.16
7.3.250.0080.00916.36
7.3.240.0150.00816.52
7.3.230.0100.00716.39
7.3.210.0100.00616.23
7.3.200.0040.01819.39
7.3.190.0070.01416.38
7.3.180.0070.01016.22
7.3.170.0060.01016.27
7.3.160.0040.01116.50
7.3.120.0110.00514.68
7.3.110.0090.00714.83
7.3.100.0040.01114.79
7.3.90.0100.00314.66
7.3.80.0000.01614.64
7.3.70.0030.00714.70
7.3.60.0030.00714.54
7.3.50.0030.01014.67
7.3.40.0000.01314.44
7.3.30.0070.00714.63
7.3.20.0120.00316.73
7.3.10.0110.00416.34
7.3.00.0030.00716.55
7.2.330.0100.01316.77
7.2.320.0100.01016.63
7.2.310.0100.00716.50
7.2.300.0120.01216.56
7.2.290.0030.01316.41
7.2.250.0070.01014.84
7.2.240.0060.01214.66
7.2.230.0030.01014.90
7.2.220.0030.01014.96
7.2.210.0070.00714.97
7.2.200.0080.00414.67
7.2.190.0060.01014.92
7.2.180.0030.00714.88
7.2.170.0030.00614.85
7.2.00.0060.00619.44
7.1.330.0090.00615.76
7.1.320.0030.00915.58
7.1.310.0000.00915.82
7.1.300.0000.01715.78
7.1.290.0100.00015.80
7.1.280.0070.00715.78
7.1.270.0090.00315.78
7.1.260.0000.01515.52
7.1.100.0140.00418.28
7.1.70.0040.00717.11
7.1.60.0090.01519.25
7.1.50.0060.00616.69
7.1.00.0000.08022.31
7.0.200.0040.00416.66
7.0.140.0130.06321.99
7.0.60.0070.08720.05
7.0.50.0030.04017.93
7.0.40.0030.08720.05
7.0.30.0200.05320.26
7.0.20.0300.08020.16
7.0.10.0100.07020.24
7.0.00.0070.06720.12
5.6.280.0070.07021.03
5.6.210.0030.06720.73
5.6.200.0130.07318.18
5.6.190.0100.07020.63
5.6.180.0170.08320.67
5.6.170.0300.07720.45
5.6.160.0030.09020.39
5.6.150.0100.06718.18
5.6.140.0100.07718.18
5.6.130.0070.03718.11
5.6.120.0130.06021.02
5.6.110.0170.07020.98
5.6.100.0130.06020.89
5.6.90.0100.08720.98
5.6.80.0100.03720.48
5.5.350.0400.06720.45
5.5.340.0000.04318.02
5.5.330.0000.05320.19
5.5.320.0230.04320.27
5.5.310.0330.05720.23
5.5.300.0130.05717.99
5.5.290.0130.08017.98
5.5.280.0030.04320.88
5.5.270.0030.09020.73
5.5.260.0030.04720.77
5.5.250.0170.06320.69
5.5.240.0030.03720.20
5.4.450.0900.05019.32
5.4.440.0630.06319.43
5.4.430.0600.05719.27
5.4.420.0630.07319.58
5.4.410.0070.05319.00
5.4.400.0270.06018.51
5.4.390.0400.07318.79
5.4.380.0070.05318.50
5.4.370.0070.05318.50
5.4.360.0100.03318.46
5.4.350.0100.05612.02
5.4.340.0170.06412.02
5.4.320.0050.03612.50
5.4.310.0030.04112.50
5.4.300.0050.03712.50
5.4.290.0070.03612.50
5.4.280.0060.03512.39
5.4.270.0060.03612.40
5.4.260.0110.03212.40
5.4.250.0070.03612.40
5.4.240.0060.03612.40
5.4.230.0090.03412.39
5.4.220.0040.04212.39
5.4.210.0050.03612.39
5.4.200.0070.03612.39
5.4.190.0070.03512.39
5.4.180.0040.03812.38
5.4.170.0050.03712.40
5.4.160.0050.03712.39
5.4.150.0040.03812.39
5.4.140.0040.03812.07
5.4.130.0050.03712.06
5.4.120.0060.03412.02
5.4.110.0070.03412.01
5.4.100.0050.03612.02
5.4.90.0070.03612.02
5.4.80.0040.03912.01
5.4.70.0060.03412.01
5.4.60.0050.03512.02
5.4.50.0050.03512.01
5.4.40.0050.03612.00
5.4.30.0090.03211.99
5.4.20.0050.03612.00
5.4.10.0050.03612.00
5.4.00.0070.04211.48
5.3.290.0100.04512.80
5.3.280.0070.03712.71
5.3.270.0100.03912.72
5.3.260.0050.03912.72
5.3.250.0050.03812.72
5.3.240.0060.03712.72
5.3.230.0050.04212.70
5.3.220.0060.03712.68
5.3.210.0090.03612.68
5.3.200.0060.03512.68
5.3.190.0070.03712.68
5.3.180.0050.03712.68
5.3.170.0070.03512.67
5.3.160.0050.03712.67
5.3.150.0060.03712.67
5.3.140.0070.03512.66
5.3.130.0080.03712.66
5.3.120.0050.04012.66
5.3.110.0060.03812.66
5.3.100.0080.03412.13
5.3.90.0050.03812.11
5.3.80.0090.03412.09
5.3.70.0020.04212.09
5.3.60.0060.03912.08
5.3.50.0050.03812.03
5.3.40.0080.03912.03
5.3.30.0080.04511.99
5.3.20.0110.03111.77
5.3.10.0080.03311.73
5.3.00.0050.03711.72
5.2.170.0050.0319.23
5.2.160.0060.0289.22
5.2.150.0040.0319.23
5.2.140.0090.0259.22
5.2.130.0020.0319.18
5.2.120.0030.0299.18
5.2.110.0040.0299.19
5.2.100.0040.0299.18
5.2.90.0060.0289.19
5.2.80.0050.0299.18
5.2.70.0080.0269.18
5.2.60.0020.0329.13
5.2.50.0050.0299.10
5.2.40.0030.0299.07
5.2.30.0050.0289.06
5.2.20.0060.0279.04
5.2.10.0040.0288.95
5.2.00.0050.0288.81
5.1.60.0080.0198.09
5.1.50.0040.0248.09
5.1.40.0020.0268.07
5.1.30.0040.0268.42
5.1.20.0040.0278.44
5.1.10.0020.0288.16
5.1.00.0070.0228.16
5.0.50.0050.0196.65
5.0.40.0030.0206.51
5.0.30.0030.0326.32
5.0.20.0030.0196.29
5.0.10.0010.0226.27
5.0.00.0030.0316.25
4.4.90.0040.0144.78
4.4.80.0030.0174.75
4.4.70.0020.0164.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0040.0304.71
4.4.30.0030.0154.76
4.4.20.0050.0134.84
4.4.10.0020.0154.84
4.4.00.0030.0244.76
4.3.110.0040.0144.66
4.3.100.0010.0174.67
4.3.90.0030.0144.64
4.3.80.0010.0264.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0010.0274.54
4.3.30.0040.0143.30
4.3.20.0010.0173.28
4.3.10.0040.0133.23
4.3.00.0130.0237.12

preferences:
48.59 ms | 401 KiB | 5 Q