3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $a = 1; public function &getA() {$a = [ &$this->a ]; return $a; } } $a = new Test(); $b = &$a->getA(); $a->a = 2; var_dump($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)
8.3.40.0120.00318.96
8.3.30.0100.00320.34
8.3.20.0000.00720.18
8.3.10.0080.00022.21
8.3.00.0040.00422.58
8.2.170.0120.00322.96
8.2.160.0110.00320.53
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0030.00619.77
8.2.110.0040.00420.90
8.2.100.0090.00317.91
8.2.90.0000.00919.11
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0030.00618.03
8.2.50.0030.00618.10
8.2.40.0060.00320.55
8.2.30.0030.00618.01
8.2.20.0030.00617.78
8.2.10.0030.00517.78
8.2.00.0030.00617.72
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00620.68
8.1.230.0160.00017.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.25
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0060.00318.59
8.1.160.0020.00522.07
8.1.150.0040.00418.68
8.1.140.0040.00417.35
8.1.130.0070.00317.82
8.1.120.0070.00017.52
8.1.110.0040.00417.44
8.1.100.0040.00417.33
8.1.90.0040.00417.43
8.1.80.0050.00217.43
8.1.70.0070.00017.42
8.1.60.0040.00417.56
8.1.50.0030.00617.40
8.1.40.0030.00517.42
8.1.30.0080.00017.49
8.1.20.0000.00917.64
8.1.10.0040.00417.58
8.1.00.0080.00017.41
8.0.300.0030.00519.81
8.0.290.0070.00016.63
8.0.280.0040.00418.43
8.0.270.0030.00317.16
8.0.260.0060.00016.84
8.0.250.0030.00316.83
8.0.240.0090.00016.95
8.0.230.0030.00316.84
8.0.220.0030.00716.90
8.0.210.0000.00716.92
8.0.200.0000.00616.98
8.0.190.0000.00816.98
8.0.180.0070.00016.89
8.0.170.0030.00516.80
8.0.160.0030.00516.93
8.0.150.0060.00316.86
8.0.140.0000.00716.84
8.0.130.0050.00013.24
8.0.120.0040.00416.78
8.0.110.0000.00716.91
8.0.100.0070.00016.95
8.0.90.0000.00716.75
8.0.80.0090.00616.86
8.0.70.0000.00716.93
8.0.60.0070.00016.81
8.0.50.0070.00016.84
8.0.30.0110.00917.17
8.0.20.0080.01117.40
8.0.10.0040.00417.01
8.0.00.0110.00916.69
7.4.330.0000.00515.00
7.4.320.0000.00716.59
7.4.300.0030.00316.51
7.4.290.0030.00316.51
7.4.280.0060.00016.63
7.4.270.0030.00316.39
7.4.260.0080.00016.35
7.4.250.0040.00416.59
7.4.240.0030.00316.55
7.4.230.0000.00716.57
7.4.220.0090.00616.57
7.4.210.0120.00416.53
7.4.200.0070.00016.38
7.4.190.0040.00416.73
7.4.160.0100.00716.34
7.4.150.0110.00717.40
7.4.140.0120.01017.86
7.4.130.0110.00616.40
7.4.120.0090.01116.54
7.4.110.0140.00716.63
7.4.100.0080.01416.50
7.4.90.0090.00916.53
7.4.80.0040.01419.39
7.4.70.0130.00316.46
7.4.60.0070.01116.65
7.4.50.0030.00316.51
7.4.40.0100.00722.77
7.4.30.0070.01016.48
7.4.10.0030.01315.22
7.4.00.0060.00915.10
7.3.330.0000.00513.25
7.3.320.0050.00013.23
7.3.310.0000.00716.30
7.3.300.0000.00616.21
7.3.290.0030.01016.36
7.3.280.0080.00816.31
7.3.270.0100.00717.40
7.3.260.0060.01216.59
7.3.250.0110.00816.32
7.3.240.0100.00716.53
7.3.230.0100.00916.47
7.3.210.0120.00316.34
7.3.200.0140.00319.39
7.3.190.0070.01016.24
7.3.180.0100.00716.16
7.3.170.0090.01216.58
7.3.160.0030.01416.48
7.3.130.0050.01414.86
7.3.120.0080.00814.81
7.3.110.0050.01314.92
7.3.100.0080.00814.80
7.3.90.0070.00914.82
7.3.80.0100.00414.92
7.3.70.0050.00414.76
7.3.60.0070.00614.72
7.3.50.0040.00814.47
7.3.40.0070.00614.70
7.3.30.0040.00914.57
7.3.20.0080.00716.63
7.3.10.0110.00316.60
7.3.00.0000.01016.60
7.2.330.0110.00716.37
7.2.320.0090.01416.32
7.2.310.0150.00916.66
7.2.300.0030.01316.77
7.2.290.0100.00716.65
7.2.260.0030.01214.75
7.2.250.0080.00914.96
7.2.240.0120.00314.78
7.2.230.0050.00614.85
7.2.220.0050.01215.20
7.2.210.0030.01114.78
7.2.200.0060.00514.84
7.2.190.0060.01015.15
7.2.180.0070.00715.01
7.2.170.0090.00414.99
7.2.160.0080.00514.93
7.2.150.0050.00816.91
7.2.140.0040.01116.98
7.2.130.0020.01116.62
7.2.120.0050.01016.90
7.2.110.0110.00316.81
7.2.100.0050.00716.76
7.2.90.0090.00416.88
7.2.80.0060.00616.70
7.2.70.0090.00517.00
7.2.60.0110.00516.96
7.2.50.0070.00716.76
7.2.40.0070.00516.97
7.2.30.0080.00616.98
7.2.20.0040.00816.66
7.2.10.0100.00316.94
7.2.00.0080.00516.75
7.1.330.0020.01515.65
7.1.320.0080.00815.74
7.1.310.0070.00815.81
7.1.300.0060.00815.71
7.1.290.0030.00915.86
7.1.280.0070.00715.75
7.1.270.0030.00715.59
7.1.260.0090.00515.78
7.1.250.0020.00815.72
7.1.240.0030.00915.77
7.1.230.0090.00515.57
7.1.220.0100.00315.73
7.1.210.0030.01015.81
7.1.200.0060.00715.61
7.1.190.0050.00715.80
7.1.180.0070.00515.78
7.1.170.0070.00415.86
7.1.160.0020.00915.58
7.1.150.0100.00515.58
7.1.140.0050.00715.68
7.1.130.0060.00715.73
7.1.120.0070.00615.79
7.1.110.0080.00515.79
7.1.100.0050.00715.69
7.1.90.0020.01315.60
7.1.80.0030.00615.67
7.1.70.0030.00716.16
7.1.60.0100.00516.82
7.1.50.0040.00816.18
7.1.40.0030.00615.72
7.1.30.0090.00615.69
7.1.20.0050.00815.80
7.1.10.0050.00915.66
7.1.00.0070.01318.00
7.0.330.0050.00715.22
7.0.320.0030.00915.24
7.0.310.0030.00815.29
7.0.300.0050.00515.54
7.0.290.0050.00615.39
7.0.280.0050.00415.10
7.0.270.0070.00715.42
7.0.260.0100.00215.35
7.0.250.0060.00415.29
7.0.240.0070.00515.24
7.0.230.0030.00615.32
7.0.220.0020.00915.21
7.0.210.0080.00515.17
7.0.200.0040.01015.90
7.0.190.0030.01015.44
7.0.180.0030.00915.47
7.0.170.0030.01015.26
7.0.160.0040.00815.32
7.0.150.0030.00815.34
7.0.140.0090.02317.53
7.0.130.0050.01015.37
7.0.120.0100.00415.50
7.0.110.0030.01015.35
7.0.100.0070.03116.81
7.0.90.0070.02216.83
7.0.80.0050.03416.87
7.0.70.0070.03116.97
7.0.60.0050.02416.90
7.0.50.0090.01817.05
7.0.40.0100.02715.59
7.0.30.0050.03215.63
7.0.20.0090.02015.56
7.0.10.0060.03215.52
7.0.00.0060.01815.70
5.6.400.0070.00414.31
5.6.390.0040.00614.30
5.6.380.0030.00914.30
5.6.370.0050.00814.53
5.6.360.0020.01014.34
5.6.350.0030.01014.43
5.6.340.0050.00514.52
5.6.330.0070.00714.56
5.6.320.0070.00714.49
5.6.310.0050.00914.35
5.6.300.0030.00914.27
5.6.290.0080.00414.59
5.6.280.0060.02816.59
5.6.270.0080.00514.38
5.6.260.0030.00814.55
5.6.250.0070.02216.52
5.6.240.0100.02916.42
5.6.230.0090.03016.57
5.6.220.0040.02916.47
5.6.210.0070.02616.51
5.6.200.0060.02416.49
5.6.190.0040.02716.69
5.6.180.0040.03216.54
5.6.170.0040.03216.59
5.6.160.0050.03216.53
5.6.150.0060.02116.54
5.6.140.0090.02616.46
5.6.130.0060.02916.63
5.6.120.0110.01916.56
5.6.110.0040.02316.58
5.6.100.0080.03216.63
5.6.90.0060.03316.55
5.6.80.0070.03216.47
5.6.70.0060.03116.42
5.6.60.0070.03116.29
5.6.50.0060.02416.36
5.6.40.0100.03116.24
5.6.30.0060.01916.21
5.6.20.0040.02716.25
5.6.10.0010.02316.29
5.6.00.0050.01916.30
5.5.380.0060.02716.32
5.5.370.0060.03116.38
5.5.360.0030.02816.47
5.5.350.0060.03216.26
5.5.340.0040.03316.39
5.5.330.0060.02116.36
5.5.320.0060.02416.41
5.5.310.0050.03116.54
5.5.300.0060.02016.46
5.5.290.0060.02516.56
5.5.280.0100.02416.49
5.5.270.0050.02616.36
5.5.260.0050.03516.49
5.5.250.0020.03516.29
5.5.240.0090.03316.14
5.5.230.0060.02116.18
5.5.220.0030.02716.09
5.5.210.0060.02616.10
5.5.200.0090.02916.06
5.5.190.0080.02816.21
5.5.180.0150.01216.23
5.5.170.0090.00314.20
5.5.160.0060.03316.21
5.5.150.0060.03116.18
5.5.140.0100.02716.19
5.5.130.0080.02316.23
5.5.120.0110.02216.18
5.5.110.0060.03116.12
5.5.100.0090.02316.20
5.5.90.0040.02116.22
5.5.80.0120.02416.23
5.5.70.0050.02316.08
5.5.60.0070.02816.08
5.5.50.0050.02116.06
5.5.40.0020.01816.23
5.5.30.0070.03216.29
5.5.20.0040.02716.12
5.5.10.0060.01616.09
5.5.00.0060.02016.15
5.4.450.0020.02113.99
5.4.440.0040.03213.95
5.4.430.0060.02913.99
5.4.420.0050.02514.02
5.4.410.0060.01713.92
5.4.400.0080.02813.96
5.4.390.0030.02613.85
5.4.380.0080.02613.88
5.4.370.0090.02213.91
5.4.360.0070.02313.88
5.4.350.0060.01813.96
5.4.340.0070.02613.92
5.4.330.0030.00711.31
5.4.320.0070.02513.93
5.4.310.0080.02113.94
5.4.300.0080.02513.94
5.4.290.0080.02113.94
5.4.280.0050.03313.93
5.4.270.0070.02013.92
5.4.260.0040.02413.92
5.4.250.0040.01713.85
5.4.240.0040.02213.88
5.4.230.0050.02813.94
5.4.220.0070.02913.82
5.4.210.0020.02113.82
5.4.200.0030.03313.94
5.4.190.0050.02213.94
5.4.180.0070.01613.91
5.4.170.0050.01813.99
5.4.160.0060.01613.90
5.4.150.0050.01913.88
5.4.140.0060.01313.01
5.4.130.0060.02513.07
5.4.120.0030.02612.95
5.4.110.0050.01613.00
5.4.100.0060.02413.01
5.4.90.0070.01713.03
5.4.80.0050.01813.01
5.4.70.0070.01913.10
5.4.60.0040.01513.04
5.4.50.0050.01713.01
5.4.40.0020.02013.05
5.4.30.0030.01713.04
5.4.20.0010.01713.06
5.4.10.0030.01812.99
5.4.00.0040.01812.89
5.3.290.0040.02312.47
5.3.280.0050.02912.43
5.3.270.0020.01812.41
5.3.260.0030.01812.45
5.3.250.0040.01812.39
5.3.240.0030.01912.45
5.3.230.0010.03312.44
5.3.220.0030.01512.40
5.3.210.0040.02012.40
5.3.200.0040.01812.40
5.3.190.0050.02412.39
5.3.180.0050.01612.37
5.3.170.0030.02712.41
5.3.160.0020.01812.38
5.3.150.0020.01612.38
5.3.140.0040.01612.37
5.3.130.0050.01412.42
5.3.120.0020.02412.42
5.3.110.0040.01812.39
5.3.100.0020.02112.19
5.3.90.0020.01712.22
5.3.80.0040.01612.23
5.3.70.0060.01112.24
5.3.60.0030.01712.20
5.3.50.0020.02512.19
5.3.40.0020.01812.18
5.3.30.0040.01612.17
5.3.20.0030.01412.10
5.3.10.0010.01812.11
5.3.00.0010.01712.11
5.2.170.0000.03713.63
5.2.160.0000.03013.63
5.2.150.0030.03013.63
5.2.140.0030.03313.63
5.2.130.0000.03713.63
5.2.120.0000.03013.63
5.2.110.0000.03013.63
5.2.100.0130.03313.63
5.2.90.0030.02713.63
5.2.80.0100.02013.63
5.2.70.0070.02313.63
5.2.60.0000.03013.63
5.2.50.0000.03313.63
5.2.40.0070.02313.63
5.2.30.0000.03013.63
5.2.20.0030.02713.63
5.2.10.0000.03013.63
5.2.00.0030.02313.63
5.1.60.0000.03713.63
5.1.50.0030.02313.63
5.1.40.0070.02013.63
5.1.30.0000.02713.63
5.1.20.0000.02313.63
5.1.10.0000.02713.63
5.1.00.0000.02713.63
5.0.50.0030.01713.63
5.0.40.0000.02013.63
5.0.30.0000.03313.63
5.0.20.0000.02013.63
5.0.10.0070.01313.63
5.0.00.0030.02713.63
4.4.90.0000.01713.63
4.4.80.0030.01313.63
4.4.70.0030.01313.63
4.4.60.0070.01013.63
4.4.50.0030.01713.63
4.4.40.0000.02713.63
4.4.30.0030.01313.63
4.4.20.0030.01313.63
4.4.10.0030.01713.63
4.4.00.0000.02313.63
4.3.110.0030.01313.63
4.3.100.0000.01313.63
4.3.90.0000.01313.63
4.3.80.0000.02313.63
4.3.70.0000.01313.63
4.3.60.0000.01313.63
4.3.50.0000.01713.63
4.3.40.0000.02313.63
4.3.30.0000.01713.63
4.3.20.0000.01713.63
4.3.10.0000.01713.63
4.3.00.0000.01313.63

preferences:
45.16 ms | 400 KiB | 5 Q