3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Person { protected $name; public function __construct( $name ) { $this->name = $name; } abstract public function speak(); } class Adult extends Person { public function speak() { echo "Hello, my name is " . $this->name; } } class Baby extends Person { public function speak() { echo "Goo goo ga ga"; } } $adult = new Adult( 'John' ); $baby = new Baby( 'Emma' ); $adult->speak(); $baby->speak();

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)
8.3.60.0120.00318.56
8.3.50.0110.00721.14
8.3.40.0140.00718.83
8.3.30.0030.01319.17
8.3.20.0050.00220.33
8.3.10.0040.00421.92
8.3.00.0000.00822.52
8.2.180.0080.00818.38
8.2.170.0070.00722.96
8.2.160.0110.00420.37
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00819.54
8.2.110.0060.00320.41
8.2.100.0040.00819.40
8.2.90.0050.00219.27
8.2.80.0030.00619.41
8.2.70.0060.00317.63
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0050.00318.16
8.2.30.0070.00017.93
8.2.20.0040.00417.59
8.2.10.0000.00717.71
8.2.00.0000.00717.59
8.1.280.0070.01125.92
8.1.270.0040.00420.20
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.88
8.1.230.0090.00319.09
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0070.00317.47
8.1.190.0050.00317.43
8.1.180.0040.00418.75
8.1.170.0000.00818.57
8.1.160.0050.00222.14
8.1.150.0040.00418.42
8.1.140.0040.00417.40
8.1.130.0030.00317.70
8.1.120.0050.00217.36
8.1.110.0000.00717.27
8.1.100.0040.00417.27
8.1.90.0000.00817.44
8.1.80.0050.00217.28
8.1.70.0000.00717.28
8.1.60.0040.00417.63
8.1.50.0080.00417.39
8.1.40.0060.00317.44
8.1.30.0040.00417.55
8.1.20.0050.00317.64
8.1.10.0000.00817.62
8.1.00.0070.00017.47
8.0.300.0000.00818.77
8.0.290.0070.00017.18
8.0.280.0050.00318.35
8.0.270.0030.00317.26
8.0.260.0030.00316.73
8.0.250.0000.00716.82
8.0.240.0040.00416.93
8.0.230.0000.00716.87
8.0.220.0070.00016.85
8.0.210.0000.00616.90
8.0.200.0030.00316.95
8.0.190.0040.00416.99
8.0.180.0060.00316.94
8.0.170.0040.00416.82
8.0.160.0000.00716.80
8.0.150.0040.00416.82
8.0.140.0040.00416.90
8.0.130.0000.00513.25
8.0.120.0060.00316.77
8.0.110.0030.00516.73
8.0.100.0080.00016.82
8.0.90.0000.00816.82
8.0.80.0080.00916.79
8.0.70.0030.00616.89
8.0.60.0050.00216.81
8.0.50.0070.00016.64
8.0.30.0130.00717.06
8.0.20.0160.00417.40
8.0.10.0070.00016.80
8.0.00.0070.01116.69
7.4.330.0050.00015.00
7.4.320.0060.00016.35
7.4.300.0030.00316.54
7.4.290.0050.00216.49
7.4.280.0030.00316.50
7.4.270.0030.00316.49
7.4.260.0070.00016.48
7.4.250.0000.00716.46
7.4.240.0030.00316.60
7.4.230.0030.00316.40
7.4.220.0160.00316.46
7.4.210.0110.00516.53
7.4.200.0000.00716.71
7.4.190.0000.00716.46
7.4.160.0080.00816.52
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0100.01116.52
7.4.120.0070.00916.49
7.4.110.0100.00716.30
7.4.100.0030.01416.56
7.4.90.0130.01016.51
7.4.80.0100.01019.39
7.4.70.0100.00716.34
7.4.60.0110.00616.55
7.4.50.0030.00316.40
7.4.40.0070.00722.77
7.4.30.0070.01016.37
7.4.00.0050.01214.94
7.3.330.0030.00313.31
7.3.320.0060.00013.11
7.3.310.0070.00016.21
7.3.300.0060.00016.14
7.3.290.0000.01416.31
7.3.280.0060.01016.29
7.3.270.0130.00417.40
7.3.260.0090.00916.52
7.3.250.0090.00716.35
7.3.240.0100.01016.59
7.3.230.0140.00316.39
7.3.210.0030.01316.34
7.3.200.0120.00616.22
7.3.190.0090.00916.41
7.3.180.0100.00516.39
7.3.170.0150.00616.29
7.3.160.0060.00916.59
7.3.120.0040.01214.88
7.3.110.0110.00615.08
7.3.100.0090.00615.02
7.3.90.0100.00714.73
7.3.80.0040.01114.93
7.3.70.0030.01214.79
7.3.60.0070.01014.60
7.3.50.0110.00314.71
7.3.40.0070.01014.50
7.3.30.0040.01114.66
7.3.20.0060.00616.39
7.3.10.0030.00716.68
7.3.00.0110.00416.20
7.2.330.0110.00716.41
7.2.320.0080.00816.59
7.2.310.0060.01016.77
7.2.300.0130.00316.77
7.2.290.0070.01016.82
7.2.250.0070.01315.15
7.2.240.0000.02015.13
7.2.230.0030.01514.59
7.2.220.0070.00715.12
7.2.210.0060.00914.93
7.2.200.0070.01014.76
7.2.190.0040.01415.15
7.2.180.0000.01215.07
7.2.170.0030.01015.27
7.2.00.0070.00719.33
7.1.330.0060.00915.80
7.1.320.0150.00015.62
7.1.310.0030.01015.93
7.1.300.0030.01015.77
7.1.290.0030.01315.55
7.1.280.0040.00415.61
7.1.270.0080.00815.56
7.1.260.0040.00415.52
7.1.100.0030.01018.13
7.1.70.0000.00817.02
7.1.60.0070.01319.82
7.1.50.0060.01216.87
7.1.00.0070.07322.48
7.0.200.0000.01016.79
7.0.140.0030.07322.10
7.0.60.0100.08019.91
7.0.50.0070.08017.87
7.0.40.0200.07720.29
7.0.30.0270.04720.15
7.0.20.0330.03720.12
7.0.10.0070.07720.09
7.0.00.0030.08720.05
5.6.280.0030.07321.07
5.6.210.0070.05320.75
5.6.200.0100.07718.15
5.6.190.0130.05320.61
5.6.180.0230.08020.55
5.6.170.0030.05320.71
5.6.160.0170.05320.39
5.6.150.0130.07718.27
5.6.140.0070.07718.18
5.6.130.0100.07718.18
5.6.120.0030.08721.02
5.6.110.0030.09021.11
5.6.100.0130.05721.10
5.6.90.0100.03720.88
5.6.80.0130.06720.39
5.5.350.0270.04320.41
5.5.340.0000.07317.97
5.5.330.0030.04720.41
5.5.320.0170.03720.30
5.5.310.0230.08020.51
5.5.300.0070.08017.93
5.5.290.0070.03717.95
5.5.280.0030.04020.76
5.5.270.0170.07720.68
5.5.260.0030.04720.68
5.5.250.0070.09020.70
5.5.240.0030.04720.07
5.4.450.0770.06019.61
5.4.440.0500.07019.29
5.4.430.0700.05719.66
5.4.420.0770.05719.28
5.4.410.1030.07019.17
5.4.400.0300.05018.75
5.4.390.0300.05718.75
5.4.380.0030.05718.84
5.4.370.0070.04018.48
5.4.360.0100.03718.58
5.4.350.0060.05312.02
5.4.340.0030.04112.02
5.4.320.0080.03512.51
5.4.310.0080.04612.51
5.4.300.0060.04812.50
5.4.290.0080.04712.50
5.4.280.0100.04012.40
5.4.270.0060.03612.39
5.4.260.0070.03712.40
5.4.250.0070.05318.76
5.4.240.0100.05719.00
5.4.230.0030.05719.09
5.4.220.0200.06018.96
5.4.210.0200.06319.04
5.4.200.0130.06319.02
5.4.190.0170.07018.65
5.4.180.0100.04718.94
5.4.170.0200.06019.06
5.4.160.0070.05018.95
5.4.150.0100.07718.97
5.4.140.0070.05316.42
5.4.130.0030.05016.55
5.4.120.0070.05016.64
5.4.110.0070.05016.61
5.4.100.0170.05716.54
5.4.90.0000.07316.54
5.4.80.0130.04016.46
5.4.70.0070.05016.52
5.4.60.0100.04716.59
5.4.50.0170.03716.51
5.4.40.0030.05016.50
5.4.30.0100.05016.30
5.4.20.0070.05016.48
5.4.10.0070.05316.62
5.4.00.0030.05315.75
5.3.290.0060.03912.80
5.3.280.0070.05714.60
5.3.270.0030.05314.60
5.3.260.0100.05014.45
5.3.250.0200.04014.44
5.3.240.0070.05314.76
5.3.230.0130.04014.56
5.3.220.0170.04714.47
5.3.210.0130.04714.65
5.3.200.0000.05314.56
5.3.190.0030.05314.65
5.3.180.0100.05314.66
5.3.170.0100.04714.79
5.3.160.0130.04014.40
5.3.150.0130.06714.66
5.3.140.0030.05314.72
5.3.130.0100.04714.63
5.3.120.0130.05014.38
5.3.110.0200.04014.57
5.3.100.0070.06014.17
5.3.90.0100.04714.10
5.3.80.0070.05314.18
5.3.70.0070.05314.05
5.3.60.0100.04314.16
5.3.50.0100.04714.04
5.3.40.0030.05014.11
5.3.30.0070.05013.75
5.3.20.0030.05713.77
5.3.10.0030.05013.55
5.3.00.0070.05313.71
5.2.170.0000.04711.23
5.2.160.0030.04311.13
5.2.150.0030.04711.23
5.2.140.0200.04711.13
5.2.130.0100.04711.01
5.2.120.0070.05711.33
5.2.110.0000.04711.18
5.2.100.0030.04711.19
5.2.90.0070.05011.19
5.2.80.0100.05710.93
5.2.70.0100.03711.18
5.2.60.0070.04011.04
5.2.50.0100.03711.01
5.2.40.0030.06011.08
5.2.30.0000.04311.20
5.2.20.0130.03011.05
5.2.10.0000.05310.97
5.2.00.0070.04010.95
5.1.60.0130.0309.92
5.1.50.0100.03710.04
5.1.40.0030.0509.96
5.1.30.0070.03710.43
5.1.20.0100.03310.19
5.1.10.0030.0379.99
5.1.00.0070.03310.13
5.0.50.0100.0238.61
5.0.40.0070.0238.65
5.0.30.0030.0438.42
5.0.20.0070.0238.18
5.0.10.0000.0308.22
5.0.00.0000.0438.16
4.4.90.0030.0206.67
4.4.80.0030.0176.67
4.4.70.0030.0206.67
4.4.60.0000.0236.67
4.4.50.0000.0236.67
4.4.40.0000.0436.67
4.4.30.0030.0206.67
4.4.20.0070.0206.67
4.4.10.0070.0236.67
4.4.00.0070.0306.67
4.3.110.0000.0236.67
4.3.100.0000.0236.67
4.3.90.0070.0176.67
4.3.80.0000.0406.67
4.3.70.0070.0206.67
4.3.60.0070.0236.67
4.3.50.0000.0306.67
4.3.40.0000.0376.67
4.3.30.0000.0236.67
4.3.20.0030.0206.67
4.3.10.0000.0236.67
4.3.00.0100.0237.15

preferences:
45.62 ms | 401 KiB | 5 Q