3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $_vars = array(); public function __get($var) { echo "__get called\n"; return $this->_vars[$var]; } public function __set($var, $val) { echo "__set called\n"; $this->_vars[$var] = $val; } public function __isset($var) { echo "__isset called\n"; return isset($this->_vars[$var]); } } $o = new A(); $o->a = 1; $o->b = 2; $c = $o->b = 3; var_dump($c); //3 var_dump($o->b); //3 var_dump(empty($o->b));

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)
8.3.40.0090.00618.86
8.3.30.0140.00018.72
8.3.20.0080.00020.19
8.3.10.0060.00321.79
8.3.00.0050.00319.21
8.2.170.0100.01022.96
8.2.160.0070.00719.28
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00820.30
8.2.120.0030.00526.35
8.2.110.0180.00322.13
8.2.100.0110.00018.04
8.2.90.0030.00518.16
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0050.00317.93
8.2.50.0080.00018.10
8.2.40.0040.00420.35
8.2.30.0040.00419.30
8.2.20.0000.00717.60
8.2.10.0040.00418.08
8.2.00.0050.00218.06
8.1.270.0060.00320.68
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0110.01122.45
8.1.230.0080.00320.88
8.1.220.0000.00917.74
8.1.210.0000.00918.77
8.1.200.0100.00017.35
8.1.190.0040.00417.23
8.1.180.0000.00918.10
8.1.170.0030.00618.46
8.1.160.0030.00322.14
8.1.150.0000.00818.78
8.1.140.0040.00419.42
8.1.130.0030.00317.66
8.1.120.0070.00017.42
8.1.110.0040.00417.28
8.1.100.0040.00417.41
8.1.90.0040.00417.29
8.1.80.0040.00417.29
8.1.70.0000.00717.42
8.1.60.0000.00817.60
8.1.50.0000.00817.49
8.1.40.0110.00017.59
8.1.30.0080.00017.56
8.1.20.0040.00417.66
8.1.10.0000.00717.59
8.1.00.0040.00417.53
8.0.300.0000.00920.00
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0030.00317.25
8.0.260.0030.00317.27
8.0.250.0000.00816.91
8.0.240.0030.00516.91
8.0.230.0050.00316.77
8.0.220.0040.00416.71
8.0.210.0050.00316.69
8.0.200.0000.00716.80
8.0.190.0000.00916.79
8.0.180.0070.00016.91
8.0.170.0070.00016.84
8.0.160.0030.00316.86
8.0.150.0030.00316.74
8.0.140.0000.00716.71
8.0.130.0000.00613.25
8.0.120.0030.00516.77
8.0.110.0040.00416.70
8.0.100.0050.00216.77
8.0.90.0070.00016.86
8.0.80.0100.00616.75
8.0.70.0040.00416.94
8.0.60.0080.00016.88
8.0.50.0070.00016.73
8.0.30.0120.00817.14
8.0.20.0120.00917.40
8.0.10.0030.00516.98
8.0.00.0100.01016.54
7.4.330.0020.00215.08
7.4.320.0030.00316.56
7.4.300.0000.00616.61
7.4.290.0040.00416.52
7.4.280.0070.00016.58
7.4.270.0000.00716.52
7.4.260.0000.00716.49
7.4.250.0000.00716.46
7.4.240.0020.00516.47
7.4.230.0000.00716.45
7.4.220.0100.00716.55
7.4.210.0030.01316.63
7.4.200.0030.00316.59
7.4.160.0030.01416.62
7.4.150.0120.00617.40
7.4.140.0070.00917.86
7.4.130.0090.01016.54
7.4.120.0080.00816.56
7.4.110.0140.00316.59
7.4.100.0060.01316.50
7.4.90.0080.00916.45
7.4.80.0120.00619.39
7.4.70.0070.01016.53
7.4.60.0080.00816.39
7.4.50.0000.01416.54
7.4.40.0100.01316.53
7.4.30.0090.00616.31
7.4.00.0110.00415.03
7.3.330.0060.00013.44
7.3.320.0000.00513.26
7.3.310.0030.00316.26
7.3.300.0030.00616.41
7.3.290.0060.01316.35
7.3.280.0070.00916.36
7.3.270.0070.01017.40
7.3.260.0110.00516.49
7.3.250.0120.00616.43
7.3.240.0100.00616.46
7.3.230.0110.00516.41
7.3.210.0060.01116.63
7.3.200.0090.00616.69
7.3.190.0060.01316.65
7.3.180.0090.01316.35
7.3.170.0130.00316.53
7.3.160.0100.00716.46
7.3.10.0060.00716.33
7.3.00.0050.00916.61
7.2.330.0140.00816.49
7.2.320.0160.00716.43
7.2.310.0070.01016.79
7.2.300.0130.01016.65
7.2.290.0110.00616.47
7.2.130.0040.01116.86
7.2.120.0080.00516.77
7.2.110.0080.01016.85
7.2.100.0070.00516.70
7.2.90.0010.01016.84
7.2.80.0040.00916.88
7.2.70.0020.01116.63
7.2.60.0020.01116.89
7.2.50.0090.00316.87
7.2.40.0050.00817.02
7.2.30.0070.00516.84
7.2.20.0010.01016.94
7.2.10.0050.01116.78
7.2.00.0030.01017.63
7.1.250.0030.01015.58
7.1.200.0030.00915.58
7.1.70.0000.01116.93
7.1.60.0030.01319.87
7.1.00.0030.07722.49
7.0.200.0260.00414.87
7.0.80.0570.06019.98
7.0.70.3730.04319.90
7.0.60.3400.05319.82
7.0.50.1070.06320.34
7.0.40.1200.05020.15
7.0.30.1200.05320.20
7.0.20.2270.07020.39
7.0.10.1200.05020.21
7.0.00.1070.06720.21
5.6.280.0030.07321.10
5.6.220.1000.05720.47
5.6.210.0930.05720.52
5.6.200.4400.06320.89
5.6.190.0930.05721.11
5.6.180.1030.05720.89
5.6.170.0930.06020.90
5.6.160.0870.06021.10
5.6.150.0900.06020.96
5.6.140.0930.05720.91
5.6.130.0970.05720.90
5.6.120.0200.05721.02
5.6.110.0430.07021.00
5.6.100.1170.07021.01
5.6.90.0970.07020.84
5.6.80.0900.06720.29
5.6.70.0870.06020.28
5.6.60.1070.05720.26
5.6.50.7900.06720.28
5.6.40.1070.05020.46
5.6.30.0900.05720.27
5.6.20.1170.05320.20
5.6.10.1200.05720.29
5.6.00.2070.05320.43
5.5.360.3330.05720.48
5.5.350.0970.05720.28
5.5.340.1130.05020.78
5.5.330.2000.05020.67
5.5.320.0930.05720.71
5.5.310.0930.05320.70
5.5.300.0970.06720.78
5.5.290.0970.06020.91
5.5.280.0070.07020.64
5.5.270.1030.05320.88
5.5.260.1000.05720.76
5.5.250.1200.07020.59
5.5.240.0970.06720.25
5.5.230.0830.05020.13
5.5.220.1370.08020.16
5.5.210.1100.06320.05
5.5.200.7500.05320.04
5.5.190.2170.05020.11
5.5.180.1030.07020.06
5.5.160.1270.05720.06
5.5.150.0830.06020.01
5.5.140.1170.05020.06
5.5.130.2800.05020.01
5.5.120.1030.05020.10
5.5.110.0900.05320.01
5.5.100.1370.05020.03
5.5.90.1200.06019.96
5.5.80.1000.04719.95
5.5.70.2670.05019.95
5.5.60.1200.05019.99
5.5.50.0970.05320.01
5.5.40.1370.04319.90
5.5.30.1200.05319.94
5.5.20.3170.05020.06
5.5.10.2270.05720.18
5.5.00.1230.05019.83

preferences:
59.67 ms | 400 KiB | 5 Q