3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x1 { public function __construct() { $x =& $this; $x = new stdClass; var_dump($this); } } var_dump(new x);

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)
8.3.60.0070.00718.55
8.3.50.0130.00321.83
8.3.40.0000.01518.70
8.3.30.0070.01018.96
8.3.20.0040.00420.13
8.3.10.0000.00723.48
8.3.00.0040.00417.74
8.2.180.0090.00916.38
8.2.170.0100.00722.96
8.2.160.0110.00422.10
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0000.00821.15
8.2.110.0030.00622.08
8.2.100.0070.00417.84
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0040.00417.65
8.2.50.0030.00618.07
8.2.40.0030.00618.03
8.2.30.0060.00318.24
8.2.20.0000.00817.68
8.2.10.0000.00717.87
8.2.00.0080.00017.74
8.1.280.0100.00725.92
8.1.270.0080.00023.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00323.97
8.1.230.0070.00422.70
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0040.00417.13
8.1.180.0030.00518.10
8.1.170.0050.00318.52
8.1.160.0040.00421.87
8.1.150.0000.00818.67
8.1.140.0000.00717.28
8.1.130.0070.00017.64
8.1.120.0070.00317.39
8.1.110.0020.00517.36
8.1.100.0040.00417.27
8.1.90.0000.01017.40
8.1.80.0070.00017.29
8.1.70.0040.00417.29
8.1.60.0030.00717.46
8.1.50.0000.00717.40
8.1.40.0060.00317.33
8.1.30.0040.00417.61
8.1.20.0090.00017.56
8.1.10.0040.00417.38
8.1.00.0040.00417.34
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.29
8.0.270.0000.00717.21
8.0.260.0040.00417.19
8.0.250.0030.00316.95
8.0.240.0000.00617.00
8.0.230.0000.00716.86
8.0.220.0030.00316.88
8.0.210.0000.00716.86
8.0.200.0030.00316.83
8.0.190.0040.00416.93
8.0.180.0000.00816.93
8.0.170.0000.00816.92
8.0.160.0000.00716.75
8.0.150.0040.00416.74
8.0.140.0000.00716.75
8.0.130.0030.00313.30
8.0.120.0070.00016.82
8.0.110.0000.00816.87
8.0.100.0070.00016.91
8.0.90.0080.00016.76
8.0.80.0090.00916.95
8.0.70.0000.00716.92
8.0.60.0050.00216.76
8.0.50.0000.00816.86
8.0.30.0100.00916.95
8.0.20.0170.00317.40
8.0.10.0040.00416.76
8.0.00.0080.00816.71
7.4.330.0050.00015.00
7.4.320.0000.00816.28
7.4.300.0030.00316.45
7.4.290.0030.00316.40
7.4.280.0040.00416.51
7.4.270.0000.00816.59
7.4.260.0040.00416.42
7.4.250.0040.00416.43
7.4.240.0030.00416.47
7.4.230.0000.00716.24
7.4.220.0190.00616.64
7.4.210.0070.00716.58
7.4.200.0030.00316.41
7.4.160.0150.00016.55
7.4.150.0120.00617.40
7.4.140.0150.00417.86
7.4.130.0080.01216.54
7.4.120.0080.01016.46
7.4.110.0040.01416.43
7.4.100.0100.00716.48
7.4.90.0100.00716.59
7.4.80.0060.01319.39
7.4.70.0100.01016.38
7.4.60.0060.01216.34
7.4.50.0030.00516.40
7.4.40.0040.01316.47
7.4.30.0090.00616.50
7.4.00.0110.00515.18
7.3.330.0000.00513.32
7.3.320.0050.00013.25
7.3.310.0050.00316.12
7.3.300.0050.00216.32
7.3.290.0120.00316.28
7.3.280.0100.00916.31
7.3.270.0060.01217.40
7.3.260.0030.01516.33
7.3.250.0100.01016.53
7.3.240.0030.01716.52
7.3.230.0110.00516.39
7.3.210.0130.00316.44
7.3.200.0070.01016.28
7.3.190.0110.00716.59
7.3.180.0070.00716.11
7.3.170.0090.00616.59
7.3.160.0110.00716.60
7.3.120.0100.00614.57
7.3.110.0120.00414.58
7.3.100.0000.01814.96
7.3.90.0090.00314.70
7.3.80.0090.00314.50
7.3.70.0170.00014.85
7.3.60.0060.01014.80
7.3.50.0070.01014.75
7.3.40.0070.00714.84
7.3.30.0060.00914.70
7.3.20.0030.01216.57
7.3.10.0040.01016.66
7.3.00.0060.01016.47
7.2.330.0030.01316.61
7.2.320.0040.01516.65
7.2.310.0030.01416.45
7.2.300.0080.00816.55
7.2.290.0140.01116.43
7.2.250.0060.01215.00
7.2.240.0110.00714.88
7.2.230.0150.00414.59
7.2.220.0120.00414.68
7.2.210.0090.00314.96
7.2.200.0030.01015.05
7.2.190.0070.01014.73
7.2.180.0040.01114.89
7.2.170.0040.01114.98
7.2.130.0130.01216.82
7.2.120.0140.00616.76
7.2.110.0110.00216.76
7.2.100.0180.00316.69
7.2.90.0030.01016.70
7.2.80.0150.00916.65
7.2.70.0130.00516.52
7.2.60.0110.00916.53
7.2.50.0080.00616.81
7.2.40.0060.00916.79
7.2.30.0190.00716.67
7.2.20.0130.00416.59
7.2.10.0090.00916.83
7.2.00.0050.01117.65
7.1.330.0070.00715.77
7.1.320.0000.01615.71
7.1.310.0070.00315.73
7.1.300.0060.00915.66
7.1.290.0030.01015.64
7.1.280.0060.00315.71
7.1.270.0090.00315.48
7.1.260.0060.01215.55
7.1.250.0040.01315.64
7.1.240.0150.00515.50
7.1.230.0030.01515.29
7.1.220.0130.00815.34
7.1.210.0080.00415.36
7.1.200.0080.00615.59
7.1.190.0140.00815.49
7.1.180.0150.00515.47
7.1.170.0100.00415.46
7.1.160.0150.00715.64
7.1.150.0090.00815.47
7.1.140.0090.00515.52
7.1.130.0130.00615.53
7.1.120.0080.00415.46
7.1.110.0130.00415.45
7.1.100.0050.01016.40
7.1.90.0160.00515.51
7.1.80.0070.00915.48
7.1.70.0040.00715.89
7.1.60.0050.01016.91
7.1.50.0060.01015.93
7.1.40.0050.00615.65
7.1.30.0030.00915.38
7.1.20.0040.01215.43
7.1.10.0120.00715.54
7.1.00.0050.03017.58
7.0.330.0060.00815.22
7.0.320.0040.00415.04
7.0.310.0040.01215.01
7.0.300.0110.00315.28
7.0.290.0090.00515.28
7.0.280.0090.00615.34
7.0.270.0140.00715.18
7.0.260.0150.00815.16
7.0.250.0120.00415.39
7.0.240.0060.00415.07
7.0.230.0180.00215.18
7.0.220.0100.00715.21
7.0.210.0040.00615.16
7.0.200.0010.00615.60
7.0.190.0040.00415.23
7.0.180.0020.01115.20
7.0.170.0080.00615.11
7.0.160.0040.00415.27
7.0.150.0030.01115.06
7.0.140.0060.02917.51
7.0.130.0050.00415.27
7.0.120.0050.00815.33
7.0.110.0050.00815.35
7.0.100.0110.00215.24
7.0.90.0050.01215.31
7.0.80.0070.00715.03
7.0.70.0100.00515.22
7.0.60.0040.02516.63
7.0.50.0120.02616.13
7.0.40.0030.03615.53
7.0.30.0090.01615.54
7.0.20.0130.03215.58
7.0.10.0070.03215.60
7.0.00.0060.02515.45
5.6.380.0080.01113.99
5.6.370.0040.01014.00
5.6.360.0020.01014.20
5.6.350.0030.00814.22
5.6.340.0040.01114.18
5.6.330.0060.00614.11
5.6.320.0070.00714.15
5.6.310.0020.01213.98
5.6.300.0080.00614.41
5.6.290.0090.00714.14
5.6.280.0070.02716.43
5.6.270.0040.00914.01
5.6.260.0040.00914.20
5.6.250.0050.00513.86
5.6.240.0050.01113.81
5.6.230.0070.00713.89
5.6.220.0060.00313.88
5.6.210.0050.03216.11
5.6.200.0020.03315.34
5.6.190.0060.02916.12
5.6.180.1500.02116.15
5.6.170.0080.03316.20
5.6.160.0080.03316.14
5.6.150.0060.03115.27
5.6.140.0070.02315.40
5.6.130.0010.02015.40
5.6.120.0090.01916.22
5.6.110.0090.03116.44
5.6.100.0100.02916.38
5.6.90.0150.02216.28
5.6.80.0220.03416.12
5.6.70.1470.01616.23
5.6.60.0080.00914.04
5.6.50.0090.00913.72
5.6.40.0090.00513.71
5.6.30.0120.00314.00
5.6.20.0040.00813.74
5.6.10.0050.00713.64
5.6.00.0050.00813.70
5.5.380.0050.00510.88
5.5.370.0050.00310.53
5.5.360.0060.00410.86
5.5.350.0060.02614.17
5.5.340.0030.02813.29
5.5.330.0020.03013.90
5.5.320.0170.01913.83
5.5.310.0120.01614.10
5.5.300.0060.01613.23
5.5.290.0040.03013.20
5.5.280.0050.02414.22
5.5.270.0110.02614.19
5.5.260.0080.01614.22
5.5.250.0120.02613.93
5.5.240.0040.03113.92
5.5.230.0080.00510.77
5.5.220.0060.00810.53
5.5.210.0070.00410.80
5.5.200.0040.00510.71
5.5.190.0040.00610.69
5.5.180.0090.00410.70
5.5.170.0050.00510.58
5.5.160.0040.00510.58
5.5.150.0000.00710.59
5.5.140.0040.00410.69
5.5.130.0060.00510.72
5.5.120.0050.00310.83
5.5.110.0050.00910.72
5.5.100.0000.01210.59
5.5.90.0120.00210.68
5.5.80.0040.00710.64
5.5.70.0080.00810.53
5.5.60.0090.00310.60
5.5.50.0050.00610.74
5.5.40.0080.00310.70
5.5.30.0070.00310.53
5.5.20.0070.00910.62
5.5.10.0060.00310.62
5.5.00.0040.00710.55
5.4.450.0330.02213.73
5.4.440.0360.02613.65
5.4.430.0280.02213.70
5.4.420.0140.02213.75
5.4.410.0130.01813.47
5.4.400.0160.02313.26
5.4.390.0120.02413.40
5.4.380.0110.01913.24
5.4.370.0080.01913.41
5.4.360.0020.01913.36
5.4.350.0080.01411.22
5.4.340.0050.01311.14
5.4.330.0030.00710.66
5.4.320.0050.01611.32
5.4.310.0030.02111.25
5.4.300.0050.01711.25
5.4.290.0070.01611.36
5.4.280.0030.01811.24
5.4.270.0040.01411.22
5.4.260.0080.01711.31
5.4.250.0040.02011.15
5.4.240.0030.01711.32
5.4.230.0070.01611.19
5.4.220.0040.01411.24
5.4.210.0070.01411.14
5.4.200.0050.01911.21
5.4.190.0040.01511.11
5.4.180.0030.01811.25
5.4.170.0050.01711.22
5.4.160.0060.01711.24
5.4.150.0030.01811.10
5.4.140.0050.01611.18
5.4.130.0060.01711.16
5.4.120.0040.01611.00
5.4.110.0050.01611.04
5.4.100.0040.01811.12
5.4.90.0060.01511.10
5.4.80.0050.01811.12
5.4.70.0060.01511.11
5.4.60.0030.01711.12
5.4.50.0030.01811.16
5.4.40.0070.01411.12
5.4.30.0060.01211.18
5.4.20.0040.01711.08
5.4.10.0060.01711.12
5.4.00.0060.01511.04
5.3.290.0030.01711.23
5.3.280.0030.01611.28
5.3.270.0050.01711.30
5.3.260.0100.01311.20
5.3.250.0060.01411.27
5.3.240.0060.01811.22
5.3.230.0020.01911.18
5.3.220.0070.01511.22
5.3.210.0050.01311.13
5.3.200.0040.01711.13
5.3.190.0040.01411.15
5.3.180.0060.01311.28
5.3.170.0040.01711.30
5.3.160.0020.01911.27
5.3.150.0050.01911.19
5.3.140.0010.02211.14
5.3.130.0040.01811.24
5.3.120.0060.01811.25
5.3.110.0050.01511.22
5.3.100.0050.01811.08
5.3.90.0080.01611.09
5.3.80.0070.01711.05
5.3.70.0060.01611.02
5.3.60.0100.01611.09
5.3.50.0080.01611.01
5.3.40.0040.02011.00
5.3.30.0120.01411.00
5.3.20.0070.01510.91
5.3.10.0070.01710.77
5.3.00.0070.01510.82
5.2.170.0060.0149.71
5.2.160.0030.0139.77
5.2.150.0030.0159.76
5.2.140.0050.0159.78
5.2.130.0030.0159.74
5.2.120.0060.0129.73
5.2.110.0080.0099.73
5.2.100.0050.0119.63
5.2.90.0040.0149.75
5.2.80.0070.0139.70
5.2.70.0050.0139.61
5.2.60.0060.0149.65
5.2.50.0070.0129.71
5.2.40.0050.0139.61
5.2.30.0040.0139.65
5.2.20.0060.0129.60
5.2.10.0020.0159.50
5.2.00.0050.0139.48
5.1.60.0070.0109.06
5.1.50.0060.0119.04
5.1.40.0070.0109.09
5.1.30.0070.0109.24
5.1.20.0040.0139.18
5.1.10.0040.0129.11
5.1.00.0060.0109.07
5.0.50.0040.0108.56
5.0.40.0030.0088.51
5.0.30.0040.0118.45
5.0.20.0030.0088.44
5.0.10.0020.0098.43
5.0.00.0050.0108.43
4.4.90.0040.0067.94
4.4.80.0040.0087.93
4.4.70.0020.0097.93
4.4.60.0020.0077.93
4.4.50.0040.0077.93
4.4.40.0040.0127.91
4.4.30.0040.0077.93
4.4.20.0030.0117.96
4.4.10.0040.0087.96
4.4.00.0020.0117.93
4.3.110.0010.0077.90
4.3.100.0020.0077.90
4.3.90.0020.0087.89
4.3.80.0030.0107.87
4.3.70.0030.0077.89
4.3.60.0010.0087.89
4.3.50.0010.0087.89
4.3.40.0030.0097.86
4.3.30.0040.0077.45
4.3.20.0020.0087.44
4.3.10.0010.0097.42
4.3.00.0000.0118.74

preferences:
45.89 ms | 401 KiB | 5 Q