3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $_locations = array(); public $test = array(); private $_test = array(); public function getResult() { var_dump($this->_locations = true); // works var_dump($this->_locations = "test"); // works var_dump($this->_locations = array()); // works var_dump($this->_locations = array("test")); // produces a critical error var_dump($this->_locations = array("test" => "test")); // produces a critical error var_dump($this->_locations[] = "test"); // produces a critical error var_dump($this->_locations["test"] = "test"); // produces a critical error var_dump($test = array("test" => "test")); // works var_dump($this->test = array()); // works var_dump($this->test = array("test")); // works var_dump($this->_test = array()); // works var_dump($this->_test = array("test")); // works } } $obj = new A(); $obj->getResult();

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)
8.5.30.0090.00817.45
8.5.20.0120.00619.16
8.5.10.0060.00220.24
8.5.00.0110.01121.91
8.4.180.0110.01122.04
8.4.170.0100.01219.79
8.4.160.0130.00923.88
8.4.150.0080.00517.74
8.4.140.0140.01217.52
8.4.130.0110.01017.84
8.4.120.0120.00924.30
8.4.110.0120.00722.62
8.4.100.0120.00917.46
8.4.90.0110.01018.43
8.4.80.0070.01017.77
8.4.70.0050.00317.80
8.4.60.0120.00920.45
8.4.50.0080.00217.77
8.4.40.0150.00617.88
8.4.30.0060.01318.55
8.4.20.0060.01317.71
8.4.10.0140.00721.92
8.3.300.0110.01220.41
8.3.290.0140.00618.36
8.3.280.0080.00316.21
8.3.270.0090.01016.41
8.3.260.0100.01016.36
8.3.250.0070.00417.23
8.3.240.0110.00617.18
8.3.230.0130.00716.41
8.3.220.0150.00617.14
8.3.210.0090.00916.53
8.3.200.0050.00416.54
8.3.190.0120.00717.04
8.3.180.0070.00216.80
8.3.170.0030.00518.75
8.3.160.0110.00616.51
8.3.150.0070.01120.73
8.3.140.0040.00416.73
8.3.130.0040.00416.68
8.3.120.0090.00920.80
8.3.110.0070.00320.94
8.3.100.0040.00424.06
8.3.90.0080.00026.77
8.3.80.0060.00616.75
8.3.70.0120.00616.63
8.3.60.0040.01118.43
8.3.50.0130.00720.20
8.3.40.0070.00720.16
8.3.30.0110.00418.70
8.3.20.0040.00424.18
8.3.10.0000.00924.66
8.3.00.0030.00526.16
8.2.300.0110.00918.04
8.2.290.0080.00320.41
8.2.280.0050.00418.20
8.2.270.0150.00418.90
8.2.260.0040.01518.15
8.2.250.0130.00618.39
8.2.240.0150.00417.27
8.2.230.0060.00322.58
8.2.220.0070.01037.54
8.2.210.0070.01126.77
8.2.200.0090.00016.88
8.2.190.0060.00916.88
8.2.180.0140.00325.92
8.2.170.0140.00718.80
8.2.160.0040.01622.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0040.00426.16
8.2.110.0090.00021.10
8.2.100.0000.01119.46
8.2.90.0000.00820.55
8.2.80.0020.00520.53
8.2.70.0040.00417.61
8.2.60.0040.00417.50
8.2.50.0040.00417.50
8.2.40.0040.00717.63
8.2.30.0000.00717.95
8.2.20.0040.00419.18
8.2.10.0000.00718.08
8.2.00.0000.00819.26
8.1.340.0150.00717.70
8.1.330.0100.00922.06
8.1.320.0100.00916.22
8.1.310.0090.00918.32
8.1.300.0060.00318.41
8.1.290.0030.00630.84
8.1.280.0130.00325.92
8.1.270.0040.00424.66
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00322.21
8.1.230.0080.00420.88
8.1.220.0060.00317.74
8.1.210.0030.00518.95
8.1.200.0050.00317.22
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0060.00318.49
8.1.160.0000.00819.02
8.1.150.0030.00518.48
8.1.140.0000.00817.38
8.1.130.0000.00718.82
8.1.120.0070.00017.39
8.1.110.0000.00717.40
8.1.100.0070.00717.34
8.1.90.0090.00217.38
8.1.80.0060.00717.34
8.1.70.0100.00017.38
8.1.60.0030.00917.52
8.1.50.0090.00017.45
8.1.40.0060.00617.55
8.1.30.0070.00417.56
8.1.20.0030.00617.71
8.1.10.0080.00317.42
8.1.00.0060.00317.36
8.0.300.0070.00020.13
8.0.290.0030.00616.63
8.0.280.0000.00818.40
8.0.270.0030.00316.80
8.0.260.0030.00318.46
8.0.250.0070.00016.90
8.0.240.0030.00316.95
8.0.230.0100.00016.91
8.0.220.0030.00716.85
8.0.210.0060.00316.87
8.0.200.0040.00816.93
8.0.190.0090.00016.93
8.0.180.0130.00016.59
8.0.170.0110.00316.26
8.0.160.0110.00016.37
8.0.150.0090.00416.47
8.0.140.0100.00516.06
8.0.130.0080.00416.17
8.0.120.0090.00316.31
8.0.110.0070.00516.36
8.0.100.0140.00016.30
8.0.90.0090.00516.41
8.0.80.0150.00016.36
8.0.70.0100.00316.79
8.0.60.0090.00416.63
8.0.50.0060.00616.63
8.0.30.0070.00716.52
8.0.20.0060.00616.28
8.0.10.0050.01016.64
7.4.330.0050.00015.55
7.4.320.0000.00716.45
7.4.300.0070.00716.00
7.4.290.0150.00016.07
7.4.280.0100.00516.18
7.4.270.0080.00816.24
7.4.260.0070.00716.12
7.4.250.0110.00615.82
7.4.240.0060.00616.20
7.4.230.0080.00816.36
7.4.220.0120.00016.30
7.4.210.0050.01016.18
7.4.200.0160.00415.96
7.4.190.0120.00316.02
7.4.180.0050.00916.20
7.4.160.0090.00516.37
7.4.150.0080.00416.31
7.4.140.0030.00815.99
7.4.130.0080.00515.83
7.4.120.0040.00916.38
7.4.110.0080.00416.05
7.4.100.0090.00615.84
7.4.90.0120.00016.29
7.4.80.0140.00016.00
7.4.70.0070.00715.78
7.4.60.0110.00415.87
7.4.50.0130.00016.18
7.4.40.0040.00816.01
7.4.30.0120.00215.99
7.4.20.0080.00615.86
7.4.10.0060.00616.15
7.4.00.0090.00616.07

preferences:
113.48 ms | 1294 KiB | 5 Q