3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function __isset($name) {echo 'isset'; return false;} public function __set($name, $value) {echo 'set';} public function __get($name) {echo 'get'; return NULL;} public function __unset($name) {echo 'unset';} } $x = new foo; $y = 'bar'; var_dump(isset($x->{$y}) && is_callable($x->{$y}));

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)
8.3.60.0110.00718.31
8.3.50.0140.00321.15
8.3.40.0090.00618.54
8.3.30.0070.01418.94
8.3.20.0050.00220.25
8.3.10.0050.00322.12
8.3.00.0000.00822.40
8.2.180.0070.00716.48
8.2.170.0140.00722.96
8.2.160.0070.00719.08
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0080.00019.54
8.2.110.0060.00322.27
8.2.100.0060.00618.09
8.2.90.0080.00019.16
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0080.00018.04
8.2.50.0050.00518.07
8.2.40.0030.00518.16
8.2.30.0000.00718.08
8.2.20.0000.00717.69
8.2.10.0050.00317.76
8.2.00.0060.00317.72
8.1.280.0040.01125.92
8.1.270.0080.00018.55
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0040.00423.96
8.1.230.0090.00319.01
8.1.220.0050.00317.79
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0050.00317.66
8.1.180.0040.00418.80
8.1.170.0030.00518.59
8.1.160.0000.00722.02
8.1.150.0040.00418.70
8.1.140.0050.00317.49
8.1.130.0000.00617.74
8.1.120.0000.00717.44
8.1.110.0050.00317.41
8.1.100.0070.00017.49
8.1.90.0000.00717.48
8.1.80.0000.00717.30
8.1.70.0000.00717.42
8.1.60.0080.00017.60
8.1.50.0040.00417.49
8.1.40.0050.00317.54
8.1.30.0030.00617.63
8.1.20.0000.00817.72
8.1.10.0060.00317.55
8.1.00.0040.00417.56
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0000.00718.50
8.0.270.0080.00017.30
8.0.260.0000.00618.35
8.0.250.0030.00316.86
8.0.240.0040.00416.92
8.0.230.0000.00716.84
8.0.220.0000.00716.77
8.0.210.0000.00716.93
8.0.200.0000.00716.96
8.0.190.0000.00716.98
8.0.180.0080.00016.93
8.0.170.0040.00416.96
8.0.160.0000.00717.02
8.0.150.0000.00816.80
8.0.140.0000.00716.75
8.0.130.0060.00013.26
8.0.120.0040.00416.75
8.0.110.0040.00416.89
8.0.100.0040.00416.86
8.0.90.0080.00016.75
8.0.80.0060.00916.91
8.0.70.0070.00016.75
8.0.60.0000.00716.79
8.0.50.0000.00716.92
8.0.30.0160.00717.00
8.0.20.0110.00817.40
8.0.10.0000.00816.82
8.0.00.0100.00816.77
7.4.330.0050.00015.00
7.4.320.0060.00016.43
7.4.300.0030.00316.43
7.4.290.0070.00016.50
7.4.280.0090.00016.58
7.4.270.0030.00316.51
7.4.260.0000.00816.43
7.4.250.0000.00816.43
7.4.240.0040.00316.46
7.4.230.0030.00516.41
7.4.220.0030.01516.69
7.4.210.0070.00816.63
7.4.200.0030.00316.61
7.4.190.0040.00416.45
7.4.160.0100.00516.31
7.4.150.0100.00717.40
7.4.140.0090.01317.86
7.4.130.0120.00816.57
7.4.120.0100.00716.55
7.4.110.0060.01016.66
7.4.100.0030.01616.56
7.4.90.0100.00716.52
7.4.80.0100.01019.39
7.4.70.0040.01416.52
7.4.60.0120.00616.38
7.4.50.0030.00616.36
7.4.40.0070.00722.77
7.4.30.0030.01816.37
7.4.00.0070.01114.82
7.3.330.0030.00213.16
7.3.320.0060.00013.36
7.3.310.0030.00316.35
7.3.300.0000.00716.29
7.3.290.0060.00916.27
7.3.280.0070.00816.30
7.3.270.0130.00917.40
7.3.260.0120.00616.43
7.3.250.0050.01116.30
7.3.240.0070.01016.39
7.3.230.0100.00616.50
7.3.210.0100.00616.38
7.3.200.0100.00719.39
7.3.190.0060.01516.37
7.3.180.0110.00416.18
7.3.170.0100.00716.57
7.3.160.0090.00616.41
7.3.120.0110.00414.94
7.3.10.0090.00316.74
7.3.00.0000.00916.34
7.2.330.0100.00716.37
7.2.320.0130.00716.41
7.2.310.0070.01016.28
7.2.300.0090.00816.69
7.2.290.0110.00816.67
7.2.130.0100.00616.75
7.2.120.0090.00616.82
7.2.110.0030.01016.77
7.2.100.0030.01016.87
7.2.90.0090.00616.92
7.2.80.0040.01116.66
7.2.70.0040.01116.80
7.2.60.0060.00616.83
7.2.50.0040.01216.82
7.2.40.0070.00416.87
7.2.30.0090.00616.99
7.2.20.0030.01016.88
7.2.10.0040.00716.87
7.2.00.0040.01117.93
7.1.250.0060.00915.77
7.1.100.0040.00817.82
7.1.70.0000.00716.93
7.1.60.0130.01319.82
7.1.50.0030.00916.86
7.1.00.0030.03722.45
7.0.200.0810.00314.85
7.0.140.0070.07022.07
7.0.60.0070.04320.04
7.0.50.0030.08317.86
7.0.40.0070.08720.11
7.0.30.0170.04320.15
7.0.20.0270.06320.07
7.0.10.0070.08720.08
7.0.00.0070.06720.09
5.6.280.0070.06720.82
5.6.210.0070.03720.50
5.6.200.0100.07318.18
5.6.190.0030.04320.47
5.6.180.3870.03720.39
5.6.170.0200.05320.62
5.6.160.0070.08320.50
5.6.150.0000.09018.17
5.6.140.0070.07718.14
5.6.130.0030.08018.11
5.6.120.0130.07320.82
5.6.110.0070.08320.96
5.6.100.0170.08021.11
5.6.90.0170.06720.99
5.6.80.0100.08020.38
5.5.350.0170.05720.50
5.5.340.0070.07018.02
5.5.330.0070.08720.29
5.5.320.0300.08320.28
5.5.310.0130.05320.30
5.5.300.0030.05717.92
5.5.290.0100.05318.07
5.5.280.0030.06020.80
5.5.270.0100.04320.96
5.5.260.0170.05720.77
5.5.250.0070.07320.46
5.5.240.0230.07020.12
5.4.450.0730.04019.17
5.4.440.0130.05019.47
5.4.430.0400.04019.54
5.4.420.0170.05019.41
5.4.410.0130.04719.41
5.4.400.0230.04019.23
5.4.390.0070.06319.13
5.4.380.0100.05719.02
5.4.370.0030.07319.02
5.4.360.0070.05319.06
5.4.350.0060.04712.02
5.4.340.0100.05212.01
5.4.320.0040.03912.50
5.4.310.0050.04012.50
5.4.300.0070.03612.50
5.4.290.0050.04512.50
5.4.280.0070.04812.40
5.4.270.0070.04012.40
5.4.260.0070.03912.39
5.4.250.0070.06718.94
5.4.240.0200.05718.95
5.4.230.0030.08718.77
5.4.220.0070.06718.98
5.4.210.0170.07018.65
5.4.200.0100.05318.97
5.4.190.0200.06719.02
5.4.180.0100.07018.96
5.4.170.0170.06318.83
5.4.160.0130.07018.64
5.4.150.0130.05318.78
5.4.140.0070.05016.43
5.4.130.0070.06716.59
5.4.120.0130.05016.45
5.4.110.0070.05316.40
5.4.100.0100.06016.54
5.4.90.0070.05316.50
5.4.80.0070.05016.47
5.4.70.0100.05316.41
5.4.60.0130.07016.44
5.4.50.0170.05716.43
5.4.40.0070.06316.46
5.4.30.0030.07716.34
5.4.20.0100.05016.48
5.4.10.0130.06316.57
5.4.00.0070.05015.83
5.3.290.0040.04012.80
5.3.280.0100.05314.57
5.3.270.0130.06014.45
5.3.260.0070.05314.58
5.3.250.0230.04314.70
5.3.240.0000.07314.70
5.3.230.0070.05014.59
5.3.220.0170.04314.48
5.3.210.0070.05714.80
5.3.200.0070.07014.73
5.3.190.0230.04014.66
5.3.180.0130.04714.64
5.3.170.0100.05314.70
5.3.160.0230.05714.75
5.3.150.0200.05014.70
5.3.140.0030.06014.45
5.3.130.0130.05714.68
5.3.120.0170.06314.43
5.3.110.0070.05714.69
5.3.100.0130.06714.02
5.3.90.0000.05714.12
5.3.80.0100.06314.06
5.3.70.0100.05313.97
5.3.60.0100.06714.13
5.3.50.0100.06313.98
5.3.40.0130.04314.01
5.3.30.0070.05313.98
5.3.20.0100.04713.67
5.3.10.0130.04313.78
5.3.00.0000.08313.71
5.2.170.0200.04711.02
5.2.160.0030.04711.10
5.2.150.0070.06311.28
5.2.140.0070.04710.98
5.2.130.0070.04311.23
5.2.120.0000.05311.15
5.2.110.0070.04711.18
5.2.100.0030.05011.16
5.2.90.0030.05711.18
5.2.80.0100.05010.97
5.2.70.0070.04311.23
5.2.60.0070.05711.00
5.2.50.0030.04311.07
5.2.40.0070.05710.87
5.2.30.0070.04311.11
5.2.20.0030.04710.79
5.2.10.0030.04310.81
5.2.00.0030.04010.80
5.1.60.0070.0339.95
5.1.50.0000.03710.05
5.1.40.0100.0409.90
5.1.30.0070.04010.52
5.1.20.0070.04710.29
5.1.10.0070.03710.03
5.1.00.0030.03710.22
5.0.50.0070.0378.69
5.0.40.0070.0278.61
5.0.30.0000.0578.43
5.0.20.0070.0338.11
5.0.10.0030.0278.00
5.0.00.0030.0408.08
4.4.90.0030.0206.89
4.4.80.0070.0176.89
4.4.70.0000.0236.89
4.4.60.0000.0236.89
4.4.50.0000.0276.89
4.4.40.0030.0336.89
4.4.30.0070.0206.89
4.4.20.0000.0236.88
4.4.10.0000.0236.88
4.4.00.0030.0406.88
4.3.110.0000.0236.88
4.3.100.0030.0206.88
4.3.90.0030.0206.88
4.3.80.0030.0306.88
4.3.70.0030.0206.88
4.3.60.0100.0236.88
4.3.50.0030.0206.88
4.3.40.0030.0336.88
4.3.30.0000.0236.88
4.3.20.0030.0206.88
4.3.10.0030.0206.88
4.3.00.0000.01314.52

preferences:
62.55 ms | 401 KiB | 5 Q