3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $_count = 0; private $_number; function __construct() { $this->_number = ++static::$_count; } public function __toString(){ return static::$_count . ' | ' . $this->_number . "\n"; } } $a = new A(); $b = new A(); $c = new A(); $d = new A(); echo $a, $b, $c, $d;

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)
8.3.60.0040.01118.55
8.3.50.0150.00821.11
8.3.40.0110.01118.84
8.3.30.0070.00719.39
8.3.20.0070.00020.34
8.3.10.0080.00023.39
8.3.00.0080.00019.25
8.2.180.0140.00416.75
8.2.170.0110.00422.96
8.2.160.0100.00320.57
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0090.00022.28
8.2.110.0060.00320.52
8.2.100.0040.00817.84
8.2.90.0050.00319.20
8.2.80.0080.00017.97
8.2.70.0000.00917.63
8.2.60.0080.00018.04
8.2.50.0030.00518.10
8.2.40.0000.00720.42
8.2.30.0000.00718.14
8.2.20.0050.00517.83
8.2.10.0000.00818.02
8.2.00.0040.00417.86
8.1.280.0070.00725.92
8.1.270.0080.00023.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00920.88
8.1.230.0040.00717.64
8.1.220.0090.00017.76
8.1.210.0060.00318.77
8.1.200.0060.00317.11
8.1.190.0080.00017.35
8.1.180.0050.00318.10
8.1.170.0040.00418.39
8.1.160.0070.00022.07
8.1.150.0030.00518.82
8.1.140.0030.00517.46
8.1.130.0000.00717.95
8.1.120.0030.00317.31
8.1.110.0000.00717.44
8.1.100.0000.00717.45
8.1.90.0030.00517.45
8.1.80.0040.00417.53
8.1.70.0060.00317.34
8.1.60.0000.00817.57
8.1.50.0050.00317.44
8.1.40.0020.00517.42
8.1.30.0030.00517.56
8.1.20.0040.00417.69
8.1.10.0070.00017.49
8.1.00.0000.00817.54
8.0.300.0000.00718.77
8.0.290.0030.00516.75
8.0.280.0030.00318.30
8.0.270.0000.00717.33
8.0.260.0080.00017.29
8.0.250.0030.00317.01
8.0.240.0030.00516.94
8.0.230.0070.00016.94
8.0.220.0000.00716.95
8.0.210.0000.00716.86
8.0.200.0000.00616.95
8.0.190.0000.00816.95
8.0.180.0000.00716.84
8.0.170.0040.00416.93
8.0.160.0040.00416.92
8.0.150.0030.00416.82
8.0.140.0050.00216.80
8.0.130.0000.00613.40
8.0.120.0040.00416.91
8.0.110.0040.00416.90
8.0.100.0040.00416.95
8.0.90.0000.00716.80
8.0.80.0100.00716.97
8.0.70.0070.00017.02
8.0.60.0000.00816.80
8.0.50.0070.00016.95
8.0.30.0080.01317.27
8.0.20.0110.00917.40
8.0.10.0040.00417.14
8.0.00.0080.01016.74
7.4.330.0030.00315.15
7.4.320.0000.00616.47
7.4.300.0060.00016.66
7.4.290.0030.00316.64
7.4.280.0030.00516.52
7.4.270.0020.00516.51
7.4.260.0080.00016.52
7.4.250.0000.00816.48
7.4.240.0050.00216.56
7.4.230.0030.00316.70
7.4.220.0060.01216.71
7.4.210.0040.01016.44
7.4.200.0050.00216.36
7.4.160.0160.00016.37
7.4.150.0130.01017.40
7.4.140.0080.01017.86
7.4.130.0140.00316.48
7.4.120.0120.00516.43
7.4.110.0130.01016.49
7.4.100.0060.01216.52
7.4.90.0070.01016.43
7.4.80.0000.01619.39
7.4.70.0130.00916.48
7.4.60.0080.00816.57
7.4.50.0000.00816.31
7.4.40.0090.01316.33
7.4.30.0150.00316.58
7.4.00.0110.00414.92
7.3.330.0000.00613.17
7.3.320.0030.00313.18
7.3.310.0070.00016.20
7.3.300.0030.00516.14
7.3.290.0070.00916.29
7.3.280.0090.01016.26
7.3.270.0190.00017.40
7.3.260.0030.01516.42
7.3.250.0080.01116.47
7.3.240.0110.00616.41
7.3.230.0140.00316.39
7.3.210.0100.01016.51
7.3.200.0030.01319.39
7.3.190.0330.02216.33
7.3.180.0040.01316.53
7.3.170.0030.01516.43
7.3.160.0100.00616.27
7.3.10.0100.00816.37
7.3.00.0150.00616.45
7.2.330.0090.00916.73
7.2.320.0100.00716.77
7.2.310.0070.01016.64
7.2.300.0090.01216.39
7.2.290.0110.00816.50
7.2.130.0140.00416.58
7.2.120.0060.00916.63
7.2.110.0070.01016.56
7.2.100.0110.00616.65
7.2.90.0080.00716.55
7.2.80.0090.00816.46
7.2.70.0100.01116.77
7.2.60.0100.00716.70
7.2.50.0090.01016.64
7.2.40.0100.00616.71
7.2.30.0050.01316.70
7.2.20.0130.00916.43
7.2.10.0130.00616.64
7.2.00.0100.00417.64
7.1.250.0110.00515.50
7.1.240.0070.01115.66
7.1.230.0090.00615.56
7.1.220.0060.01315.50
7.1.210.0060.00615.27
7.1.200.0060.00515.67
7.1.190.0070.00715.68
7.1.180.0070.00715.37
7.1.170.0090.00315.70
7.1.160.0100.00715.66
7.1.150.0140.00715.50
7.1.140.0090.00615.75
7.1.130.0070.01015.74
7.1.120.0120.00415.42
7.1.110.0040.01115.60
7.1.100.0060.00916.55
7.1.90.0100.00315.73
7.1.80.0120.00615.76
7.1.70.0060.00816.58
7.1.60.0090.01117.49
7.1.50.0120.01016.38
7.1.40.0090.00915.65
7.1.30.0040.01115.56
7.1.20.0040.00815.35
7.1.10.0070.00715.47
7.1.00.0020.04518.85
7.0.330.0120.00315.29
7.0.320.0080.00515.32
7.0.310.0090.00915.55
7.0.300.0060.01015.01
7.0.290.0090.00615.20
7.0.280.0040.01215.17
7.0.270.0070.00715.52
7.0.260.0070.00315.38
7.0.250.0110.00415.13
7.0.240.0160.00015.55
7.0.230.0140.00315.39
7.0.220.0130.00315.14
7.0.210.0060.01315.21
7.0.200.0140.00215.99
7.0.190.0070.01015.24
7.0.180.0080.00615.48
7.0.170.0130.00015.48
7.0.160.0110.00415.48
7.0.150.0030.01015.63
7.0.140.0040.04118.81
7.0.130.0110.00415.35
7.0.120.0090.00915.39
7.0.110.0140.01015.53
7.0.100.0050.01315.34
7.0.90.0100.00515.36
7.0.80.0150.00715.36
7.0.70.0110.00415.11
7.0.60.0080.03517.53
7.0.50.0080.04316.62
7.0.40.0060.02916.72
7.0.30.0130.02616.71
7.0.20.0120.02516.79
7.0.10.0050.03516.75
7.0.00.0030.03016.77
5.6.380.0070.00714.13
5.6.370.0080.00513.89
5.6.360.0000.01414.00
5.6.350.0100.00714.12
5.6.340.0100.00814.58
5.6.330.0100.00813.95
5.6.320.0120.00914.14
5.6.310.0090.00514.38
5.6.300.0140.00314.47
5.6.290.0110.00714.09
5.6.280.0140.00314.37
5.6.270.0070.00714.07
5.6.260.0080.00814.09
5.6.250.0140.00014.13
5.6.240.0100.00314.21
5.6.230.0080.01214.25
5.6.220.0090.00714.13
5.6.210.0130.03517.58
5.6.200.0060.02516.28
5.6.190.0080.04717.33
5.6.180.0090.02717.48
5.6.170.0170.04317.53
5.6.160.0100.02317.46
5.6.150.0040.03216.23
5.6.140.0070.03516.21
5.6.130.0080.02316.28
5.6.120.0070.03217.79
5.6.110.0080.04317.55
5.6.100.0080.04517.61
5.6.90.0070.03317.59
5.6.80.0100.04017.37
5.6.70.2270.02217.47
5.6.60.0000.01114.41
5.6.50.0110.00014.37
5.6.40.0030.00914.02
5.6.30.0030.01314.48
5.6.20.0040.00814.19
5.6.10.0040.00814.31
5.6.00.0000.01514.30
5.5.380.0000.00910.90
5.5.370.0090.00311.07
5.5.360.0090.00410.90
5.5.350.0170.03915.66
5.5.340.0050.04014.55
5.5.330.0080.02715.84
5.5.320.0240.03015.81
5.5.310.0200.03515.72
5.5.300.0080.03714.51
5.5.290.0040.02214.47
5.5.280.0080.03216.00
5.5.270.0110.03815.83
5.5.260.0080.02015.85
5.5.250.0070.04515.87
5.5.240.2000.02315.73
5.5.230.0000.00711.04
5.5.220.0040.00411.29
5.5.210.0030.00511.24
5.5.200.0030.00310.96
5.5.190.0030.00311.30
5.5.180.0000.00810.90
5.5.170.0080.00011.20
5.5.160.0080.00011.03
5.5.150.0040.00411.27
5.5.140.0000.00711.04
5.5.130.0060.00311.15
5.5.120.0000.00611.25
5.5.110.0070.00010.92
5.5.100.0030.00611.19
5.5.90.0080.00011.02
5.5.80.0030.00611.15
5.5.70.0060.00311.03
5.5.60.0040.00411.26
5.5.50.0000.01111.31
5.5.40.0000.00710.90
5.5.30.0040.00411.27
5.5.20.0030.00611.12
5.5.10.0040.00410.93
5.5.00.0030.00611.26
5.4.450.0420.03015.39
5.4.440.0500.03915.30
5.4.430.0350.03015.36
5.4.420.0460.03515.39
5.4.410.0360.03215.11
5.4.400.0400.03715.22
5.4.390.0380.03715.18
5.4.380.0480.02615.06
5.4.370.0430.02915.00
5.4.360.0380.03215.03
5.4.350.0450.03215.22
5.4.340.0020.02211.46
5.4.330.0030.00611.19
5.4.320.0040.01911.74
5.4.310.0020.02211.72
5.4.300.0030.02211.70
5.4.290.0090.01911.84
5.4.280.0040.02011.65
5.4.270.0040.02311.83
5.4.260.0020.02511.65
5.4.250.0040.02311.70
5.4.240.0070.01711.72
5.4.230.0050.02111.64
5.4.220.0020.02311.65
5.4.210.0050.02011.64
5.4.200.0050.02111.69
5.4.190.0060.02011.67
5.4.180.0050.01911.74
5.4.170.0060.02011.85
5.4.160.0080.01811.80
5.4.150.0020.02411.64
5.4.140.0060.02011.49
5.4.130.0060.01811.54
5.4.120.0060.02011.54
5.4.110.0060.01811.52
5.4.100.0080.01911.62
5.4.90.0060.02011.46
5.4.80.0030.02111.53
5.4.70.0050.01911.63
5.4.60.0020.02011.65
5.4.50.0050.01811.59
5.4.40.0050.01911.46
5.4.30.0050.01811.66
5.4.20.0060.01811.45
5.4.10.0030.02111.47
5.4.00.0080.01811.36
5.3.290.0050.02111.85
5.3.280.0070.02011.80
5.3.270.0070.02111.81
5.3.260.0040.02311.81
5.3.250.0040.02411.81
5.3.240.0030.02111.81
5.3.230.0030.02211.80
5.3.220.0060.02111.79
5.3.210.0050.02011.79
5.3.200.0030.02111.79
5.3.190.0040.02111.79
5.3.180.0060.02111.79
5.3.170.0080.01811.78
5.3.160.0040.02311.79
5.3.150.0020.02611.79
5.3.140.0050.02011.78
5.3.130.0020.02411.78
5.3.120.0040.02211.78
5.3.110.0070.02111.78
5.3.100.0060.01811.51
5.3.90.0040.02011.50
5.3.80.0060.01911.50
5.3.70.0040.02011.50
5.3.60.0040.02211.49
5.3.50.0020.02211.46
5.3.40.0050.02011.46
5.3.30.0040.02111.44
5.3.20.0070.01711.33
5.3.10.0020.02111.32
5.3.00.0050.01911.31
5.2.170.0050.01510.06
5.2.160.0010.01810.06
5.2.150.0070.01410.06
5.2.140.0040.01510.06
5.2.130.0020.01710.04
5.2.120.0020.01710.04
5.2.110.0020.01810.04
5.2.100.0030.01610.04
5.2.90.0030.01610.04
5.2.80.0040.01710.04
5.2.70.0050.01410.04
5.2.60.0060.01410.01
5.2.50.0040.01510.00
5.2.40.0030.0169.99
5.2.30.0040.0169.97
5.2.20.0040.0159.97
5.2.10.0020.0179.92
5.2.00.0020.0179.85
5.1.60.0020.0169.49
5.1.50.0050.0129.49
5.1.40.0020.0159.48
5.1.30.0050.0129.66
5.1.20.0020.0169.67
5.1.10.0020.0159.53
5.1.00.0040.0149.53
5.0.50.0040.0118.77
5.0.40.0020.0128.70
5.0.30.0030.0168.61
5.0.20.0010.0128.59
5.0.10.0030.0118.58
5.0.00.0020.0178.57
4.4.90.0020.0107.84
4.4.80.0010.0107.82
4.4.70.0020.0107.83
4.4.60.0020.0097.83
4.4.50.0030.0097.84
4.4.40.0030.0147.80
4.4.30.0030.0087.83
4.4.20.0020.0107.87
4.4.10.0030.0097.88
4.4.00.0030.0137.83
4.3.110.0010.0107.79
4.3.100.0020.0107.78
4.3.90.0020.0107.77
4.3.80.0040.0137.74
4.3.70.0030.0107.76
4.3.60.0010.0107.76
4.3.50.0030.0087.76
4.3.40.0040.0137.72
4.3.30.0020.0107.10
4.3.20.0020.0107.09
4.3.10.0010.0117.07
4.3.00.0110.0088.88

preferences:
46.66 ms | 401 KiB | 5 Q