3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyObject{ public static $_register = array(); public $_id = -1; public $_value = ''; function __construct( $value ){ $this->_value = $value; $this->_id = count( self::$_register ); self::$_register[ $this->_id ] =& $this; // I also tried '= &$this' } function foo(){ // outputs 'id : value' echo $this->_id.' : ' . $this->_value. PHP_EOL; } } $test = new MyObject( 'hihi' ); $test->foo(); var_dump(MyObject::$_register);

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)
8.3.60.0090.00618.32
8.3.50.0210.00917.28
8.3.40.0110.00418.53
8.3.30.0080.00818.54
8.3.20.0080.00018.77
8.3.10.0030.00618.70
8.3.00.0040.00419.38
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0060.01218.91
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00021.00
8.2.110.0000.01022.27
8.2.100.0080.00318.03
8.2.90.0030.00619.30
8.2.80.0030.00617.97
8.2.70.0030.00517.59
8.2.60.0040.00417.93
8.2.50.0060.00317.91
8.2.40.0030.00519.48
8.2.30.0030.00617.80
8.2.20.0000.00917.68
8.2.10.0040.00417.73
8.2.00.0050.00317.80
8.1.280.0150.00325.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.37
8.1.230.0060.00617.52
8.1.220.0050.00317.75
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0080.00017.23
8.1.180.0080.00019.01
8.1.170.0060.00317.62
8.1.160.0070.00019.07
8.1.150.0040.00418.69
8.1.140.0040.00417.44
8.1.130.0000.00717.31
8.1.120.0000.00717.35
8.1.110.0000.00717.42
8.1.100.0050.00217.38
8.1.90.0040.00417.48
8.1.80.0070.00017.54
8.1.70.0000.00717.43
8.1.60.0040.00417.46
8.1.50.0000.00717.54
8.1.40.0040.00417.49
8.1.30.0000.00817.50
8.1.20.0040.00417.64
8.1.10.0020.00517.62
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0000.00718.56
8.0.270.0030.00317.16
8.0.260.0050.00316.73
8.0.250.0080.00016.84
8.0.240.0050.00316.94
8.0.230.0080.00016.89
8.0.220.0000.00716.77
8.0.210.0000.00816.89
8.0.200.0040.00416.90
8.0.190.0070.00016.93
8.0.180.0030.00616.96
8.0.170.0030.00616.87
8.0.160.0000.00816.80
8.0.150.0030.00616.86
8.0.140.0040.00416.84
8.0.130.0000.00613.21
8.0.120.0000.01116.86
8.0.110.0070.00016.75
8.0.100.0000.00716.90
8.0.90.0040.00416.68
8.0.80.0000.01516.83
8.0.70.0060.00316.79
8.0.60.0040.00416.84
8.0.50.0030.00716.91
8.0.30.0100.01016.88
8.0.20.0100.00917.17
8.0.10.0000.00716.96
8.0.00.0130.00816.75
7.4.330.0000.00512.98
7.4.320.0000.00616.51
7.4.300.0030.00316.57
7.4.290.0030.00316.61
7.4.280.0000.00816.58
7.4.270.0030.00316.51
7.4.260.0000.00513.24
7.4.250.0050.00216.55
7.4.240.0050.00316.52
7.4.230.0000.00716.46
7.4.220.0080.01116.54
7.4.210.0100.01016.66
7.4.200.0040.00416.62
7.4.190.0040.00416.72
7.4.160.0110.00616.48
7.4.150.0040.01416.64
7.4.140.0150.00317.86
7.4.130.0120.00616.56
7.4.120.0150.00916.56
7.4.110.0180.00616.42
7.4.100.0160.00316.47
7.4.90.0110.00716.43
7.4.80.0110.00619.39
7.4.70.0120.00416.56
7.4.60.0090.00616.30
7.4.50.0040.00416.50
7.4.40.0120.00416.48
7.4.30.0140.01116.43
7.4.10.0090.00914.99
7.4.00.0070.00915.00
7.3.330.0000.00613.13
7.3.320.0030.00313.34
7.3.310.0000.00816.41
7.3.300.0000.00616.19
7.3.290.0080.00716.35
7.3.280.0070.01116.31
7.3.270.0130.00316.39
7.3.260.0130.00416.44
7.3.240.0120.00916.57
7.3.230.0030.01316.35
7.3.210.0120.00416.46
7.3.200.0000.01616.45
7.3.190.0060.01216.49
7.3.180.0070.00716.36
7.3.170.0090.00916.61
7.3.160.0030.01316.29
7.3.130.0070.01114.68
7.3.120.0070.00914.92
7.3.110.0110.00714.81
7.3.100.0030.01114.80
7.3.90.0060.00614.79
7.3.80.0120.00514.78
7.3.70.0060.00814.89
7.3.60.0070.01014.82
7.3.50.0080.00614.97
7.3.40.0050.00914.89
7.3.30.0070.00614.67
7.3.20.0050.01016.61
7.3.10.0080.00616.68
7.3.00.0110.00216.49
7.2.330.0040.01516.82
7.2.320.0090.00916.53
7.2.310.0070.01116.41
7.2.300.0140.00916.78
7.2.290.0110.00816.77
7.2.260.0100.01014.86
7.2.250.0100.00814.97
7.2.240.0050.01115.26
7.2.230.0050.01015.35
7.2.220.0120.00514.92
7.2.210.0040.00814.96
7.2.200.0080.00614.87
7.2.190.0130.00614.96
7.2.180.0080.00515.12
7.2.170.0060.00914.97
7.2.160.0030.00615.06
7.2.150.0100.00716.56
7.2.140.0100.00716.63
7.2.130.0070.01016.53
7.2.120.0090.00616.80
7.2.110.0090.00616.66
7.2.100.0070.01116.80
7.2.90.0030.01316.84
7.2.80.0030.01116.83
7.2.70.0100.00616.93
7.2.60.0080.00617.02
7.2.50.0060.00417.11
7.2.40.0060.01016.95
7.2.30.0090.00616.67
7.2.20.0090.00316.92
7.2.10.0130.00316.89
7.2.00.0090.00517.89
7.1.330.0070.00815.77
7.1.320.0130.00315.90
7.1.310.0090.00515.86
7.1.300.0070.00515.57
7.1.290.0070.00715.64
7.1.280.0030.01015.81
7.1.270.0080.00715.77
7.1.260.0030.01015.86
7.1.250.0130.00015.74
7.1.240.0030.01015.66
7.1.230.0140.00415.66
7.1.220.0030.01015.77
7.1.210.0070.00715.76
7.1.200.0030.00915.75
7.1.190.0120.00015.93
7.1.180.0030.01015.93
7.1.170.0090.00915.73
7.1.160.0060.00615.63
7.1.150.0070.01015.59
7.1.140.0030.01015.61
7.1.130.0130.00015.80
7.1.120.0030.00915.82
7.1.110.0070.00715.81
7.1.100.0050.00816.96
7.1.90.0040.00415.78
7.1.80.0070.00316.03
7.1.70.0000.00816.34
7.1.60.0060.01017.52
7.1.50.0050.00816.30
7.1.40.0110.00315.61
7.1.30.0000.01515.41
7.1.20.0160.00015.68
7.1.10.0000.00915.57
7.1.00.0020.02518.90
7.0.330.0090.00415.10
7.0.320.0070.01015.14
7.0.310.0100.00715.31
7.0.300.0030.00915.42
7.0.290.0040.00815.31
7.0.280.0100.00715.12
7.0.270.0070.00415.30
7.0.260.0070.01015.30
7.0.250.0100.00315.00
7.0.240.0100.00315.49
7.0.230.0070.00715.40
7.0.220.0000.01515.53
7.0.210.0000.00815.42
7.0.200.0050.00415.95
7.0.190.0060.00315.21
7.0.180.0070.00715.32
7.0.170.0000.01515.14
7.0.160.0030.01015.07
7.0.150.0040.00815.28
7.0.140.0020.04018.75
7.0.130.0040.00815.50
7.0.120.0070.03818.70
7.0.110.0120.00015.17
7.0.100.0030.01015.27
7.0.90.0060.00615.19
7.0.80.0040.00715.52
7.0.70.0060.00315.36
7.0.60.0050.03717.65
7.0.50.0050.02416.61
7.0.40.0020.02615.64
7.0.30.0050.02315.66
7.0.20.0070.02315.59
7.0.10.0000.02715.69
7.0.00.0030.02515.67
5.6.400.0070.00714.16
5.6.390.0040.01114.52
5.6.380.0070.01014.43
5.6.370.0000.01714.55
5.6.360.0120.00014.27
5.6.350.0030.00914.39
5.6.340.0060.00314.46
5.6.330.0030.00914.41
5.6.320.0030.01014.61
5.6.310.0070.00714.22
5.6.300.0000.01714.71
5.6.290.0000.01414.58
5.6.280.0050.04217.59
5.6.270.0060.00314.52
5.6.260.0000.00814.32
5.6.250.0030.01314.29
5.6.240.0060.00914.48
5.6.230.0090.00314.41
5.6.220.0060.00314.21
5.6.210.0080.04017.40
5.6.200.0070.02316.26
5.6.190.0030.02316.41
5.6.180.0030.02316.37
5.6.170.0020.02616.32
5.6.160.0060.01916.32
5.6.150.0070.02016.48
5.6.140.0030.02416.17
5.6.130.0050.02316.17
5.6.120.0050.02516.34
5.6.110.0020.02516.24
5.6.100.0050.02916.20
5.6.90.0080.02816.29
5.6.80.0060.03015.80
5.6.70.0080.02515.85
5.6.60.0050.02116.09
5.6.50.0030.04015.96
5.6.40.0080.03515.87
5.6.30.0030.02315.77
5.6.20.0060.03815.83
5.6.10.0050.03415.83
5.6.00.0050.04415.82
5.5.380.0090.00614.27
5.5.370.0120.00314.57
5.5.360.0030.01014.30
5.5.350.0240.04017.46
5.5.340.0020.02416.19
5.5.330.0040.02116.18
5.5.320.0050.02415.96
5.5.310.0070.01816.20
5.5.300.0060.02116.16
5.5.290.0100.01716.12
5.5.280.0030.02516.24
5.5.270.0080.02316.14
5.5.260.0070.02516.10
5.5.250.0050.03316.05
5.5.240.0070.04215.83
5.5.230.0050.03515.84
5.5.220.0070.03015.82
5.5.210.0100.03215.87
5.5.200.0090.04215.78
5.5.190.0070.04415.69
5.5.180.0100.04015.78
5.5.170.0060.00314.25
5.5.160.0100.03215.89
5.5.150.0080.04015.74
5.5.140.0070.04015.87
5.5.130.0050.03815.83
5.5.120.0060.03915.92
5.5.110.0020.03815.72
5.5.100.0030.02515.72
5.5.90.0070.04215.80
5.5.80.0110.02315.64
5.5.70.0000.04715.90
5.5.60.0110.02315.84
5.5.50.0050.02815.89
5.5.40.0030.02515.75
5.5.30.0050.04315.81
5.5.20.0080.03415.79
5.5.10.0080.04215.69
5.5.00.0020.02815.52
5.4.450.0070.02015.28
5.4.440.0040.02515.33
5.4.430.0070.02215.30
5.4.420.0050.02515.52
5.4.410.0020.03815.18
5.4.400.0060.02214.96
5.4.390.0030.03915.18
5.4.380.0000.02515.00
5.4.370.0050.04115.14
5.4.360.0050.04315.02
5.4.350.0050.04015.09
5.4.340.0050.03615.01
5.4.330.0060.00611.29
5.4.320.0040.04115.08
5.4.310.0070.04315.15
5.4.300.0080.02515.11
5.4.290.0060.02615.12
5.4.280.0060.03215.18
5.4.270.0050.03315.29
5.4.260.0020.02715.09
5.4.250.0000.02614.94
5.4.240.0090.03215.05
5.4.230.0050.02615.15
5.4.220.0040.03415.08
5.4.210.0040.02715.10
5.4.200.0030.04314.98
5.4.190.0070.02815.04
5.4.180.0020.04215.19
5.4.170.0050.04015.13
5.4.160.0030.02715.12
5.4.150.0050.02415.07
5.4.140.0050.01813.81
5.4.130.0150.03213.74
5.4.120.0060.02413.61
5.4.110.0070.03813.83
5.4.100.0070.03813.83
5.4.90.0020.03713.79
5.4.80.0070.03313.63
5.4.70.0030.02813.71
5.4.60.0000.03913.70
5.4.50.0070.04013.87
5.4.40.0050.02813.67
5.4.30.0050.02313.56
5.4.20.0040.03913.74
5.4.10.0030.04113.78
5.4.00.0020.04213.51
5.3.290.0070.02512.66
5.3.280.0030.03212.68
5.3.270.0070.03512.60
5.3.260.0070.02812.61
5.3.250.0080.02212.50
5.3.240.0060.04112.65
5.3.230.0070.03812.60
5.3.220.0020.04212.59
5.3.210.0060.03112.51
5.3.200.0060.03812.60
5.3.190.0080.03112.64
5.3.180.0060.04112.68
5.3.170.0070.03012.59
5.3.160.0050.03912.54
5.3.150.0070.03712.59
5.3.140.0080.03612.52
5.3.130.0050.03412.62
5.3.120.0040.03612.59
5.3.110.0000.03412.63
5.3.100.0030.04212.35
5.3.90.0050.02612.18
5.3.80.0050.04212.21
5.3.70.0020.03412.22
5.3.60.0060.03612.32
5.3.50.0060.02212.26
5.3.40.0030.04012.20
5.3.30.0090.03412.26
5.3.20.0070.02612.19
5.3.10.0050.03812.03
5.3.00.0030.04212.13
5.2.170.0030.06311.20
5.2.160.0100.03711.00
5.2.150.0030.06711.16
5.2.140.0030.06311.14
5.2.130.0000.06311.32
5.2.120.0100.06011.15
5.2.110.0030.03711.15
5.2.100.0030.04711.09
5.2.90.0030.06311.17
5.2.80.0000.05311.31
5.2.70.0000.03711.20
5.2.60.0030.04011.04
5.2.50.0100.06011.10
5.2.40.0030.06311.07
5.2.30.0130.05711.03
5.2.20.0030.06310.92
5.2.10.0100.05010.81
5.2.00.0070.05710.77
5.1.60.0100.05010.06
5.1.50.0030.03010.05
5.1.40.0000.04310.21
5.1.30.0030.06010.23
5.1.20.0070.04010.34
5.1.10.0000.04010.16
5.1.00.0100.02010.02
5.0.50.0000.0308.63
5.0.40.0070.0308.59
5.0.30.0030.0638.59
5.0.20.0030.0438.59
5.0.10.0100.0308.59
5.0.00.0000.0678.59
4.4.90.0000.0308.59
4.4.80.0000.0378.59
4.4.70.0070.0308.59
4.4.60.0000.0378.59
4.4.50.0070.0238.59
4.4.40.0000.0478.59
4.4.30.0000.0308.59
4.4.20.0070.0208.59
4.4.10.0000.0408.59
4.4.00.0030.0578.59
4.3.110.0030.0238.59
4.3.100.0000.0308.59
4.3.90.0030.0378.59
4.3.80.0000.0438.59
4.3.70.0000.0208.59
4.3.60.0030.0338.59
4.3.50.0000.0278.59
4.3.40.0000.0478.59
4.3.30.0000.0408.59
4.3.20.0070.0338.59
4.3.10.0070.0338.59
4.3.00.0000.0338.59

preferences:
53.16 ms | 401 KiB | 5 Q