3v4l.org

run code in 300+ PHP versions simultaneously
<?php const foo = "bar"; $x = 'test' . "$foo"; echo($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)
8.3.40.0000.01518.59
8.3.30.0100.00318.70
8.3.20.0040.00420.26
8.3.10.0040.00421.69
8.3.00.0040.00419.25
8.2.170.0150.00018.96
8.2.160.0070.01322.96
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0030.00619.36
8.2.110.0100.00019.14
8.2.100.0120.00017.63
8.2.90.0000.00719.06
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0050.00217.80
8.2.50.0040.00418.07
8.2.40.0040.00419.95
8.2.30.0070.00017.96
8.2.20.0040.00417.71
8.2.10.0000.00817.92
8.2.00.0000.00817.70
8.1.270.0080.00018.87
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.84
8.1.230.0080.00317.64
8.1.220.0070.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00517.36
8.1.180.0000.00818.10
8.1.170.0050.00520.28
8.1.160.0080.00022.00
8.1.150.0040.00418.87
8.1.140.0050.00217.39
8.1.130.0030.00317.82
8.1.120.0040.00317.47
8.1.110.0000.00717.40
8.1.100.0000.00817.44
8.1.90.0040.00417.43
8.1.80.0070.00017.43
8.1.70.0070.00017.48
8.1.60.0000.00917.45
8.1.50.0060.00317.49
8.1.40.0050.00217.42
8.1.30.0040.00417.57
8.1.20.0000.00717.61
8.1.10.0050.00317.51
8.1.00.0030.00617.47
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.30
8.0.270.0070.00017.15
8.0.260.0060.00017.11
8.0.250.0040.00416.91
8.0.240.0000.00716.98
8.0.230.0050.00216.90
8.0.220.0030.00316.87
8.0.210.0040.00316.96
8.0.200.0030.00716.99
8.0.190.0050.00316.89
8.0.180.0030.00516.86
8.0.170.0070.00016.95
8.0.160.0000.00716.86
8.0.150.0040.00416.80
8.0.140.0000.00816.82
8.0.130.0040.00413.36
8.0.120.0030.00516.85
8.0.110.0040.00416.88
8.0.100.0030.00617.05
8.0.90.0040.00416.72
8.0.80.0070.01616.92
8.0.70.0080.00016.94
8.0.60.0030.00616.89
8.0.50.0040.00416.83
8.0.30.0130.01117.12
8.0.20.0140.00517.40
8.0.10.0050.00316.97
8.0.00.0090.00916.58
7.4.330.0050.00015.13
7.4.320.0000.00616.61
7.4.300.0030.00316.45
7.4.290.0000.00616.48
7.4.280.0070.00416.56
7.4.270.0030.00616.36
7.4.260.0020.00516.49
7.4.250.0080.00016.54
7.4.240.0030.00516.56
7.4.230.0030.00316.50
7.4.220.0110.00616.46
7.4.210.0040.01116.50
7.4.200.0000.00716.69
7.4.160.0090.00616.37
7.4.150.0130.00317.40
7.4.140.0120.01117.86
7.4.130.0090.01116.57
7.4.120.0090.00916.54
7.4.110.0090.00916.42
7.4.100.0030.01416.56
7.4.90.0100.00716.53
7.4.80.0130.00719.39
7.4.70.0140.00316.57
7.4.60.0070.01016.41
7.4.50.0060.00316.52
7.4.40.0040.01416.55
7.4.30.0090.00916.52
7.4.00.0070.00714.80
7.3.330.0000.00513.16
7.3.320.0120.00013.22
7.3.310.0030.00316.21
7.3.300.0040.00416.35
7.3.290.0090.00816.33
7.3.280.0090.00716.32
7.3.270.0090.00917.40
7.3.260.0100.01316.45
7.3.250.0070.01016.31
7.3.240.0060.01016.31
7.3.230.0130.00616.52
7.3.210.0120.00616.64
7.3.200.0000.01619.39
7.3.190.0060.00916.67
7.3.180.0030.01216.43
7.3.170.0130.00416.38
7.3.160.0130.00316.54
7.3.120.0100.00714.80
7.3.110.0000.01614.86
7.3.100.0100.00714.90
7.3.90.0130.00314.88
7.3.80.0030.00615.00
7.3.70.0070.01014.73
7.3.60.0060.00614.87
7.3.50.0070.00314.81
7.3.40.0060.00314.58
7.3.30.0080.00014.63
7.3.20.0100.00716.63
7.3.10.0020.01116.55
7.3.00.0100.00516.70
7.2.330.0000.01716.55
7.2.320.0060.01016.61
7.2.310.0090.01116.61
7.2.300.0130.00316.43
7.2.290.0130.00616.62
7.2.250.0120.00415.11
7.2.240.0060.01315.15
7.2.230.0000.01914.66
7.2.220.0060.00615.24
7.2.210.0000.01614.95
7.2.200.0100.00314.81
7.2.190.0030.01014.86
7.2.180.0070.00715.16
7.2.170.0000.01014.91
7.2.130.0000.01116.72
7.2.120.0110.00416.75
7.2.110.0140.00716.67
7.2.100.0120.00616.46
7.2.90.0110.00716.78
7.2.80.0090.00816.58
7.2.70.0090.00616.76
7.2.60.0060.01016.61
7.2.50.0100.00716.97
7.2.40.0090.01016.75
7.2.30.0130.00916.87
7.2.20.0160.00616.57
7.2.10.0150.00517.02
7.2.00.0100.00417.75
7.1.330.0060.00915.89
7.1.320.0000.01415.87
7.1.310.0030.01015.97
7.1.300.0030.01015.93
7.1.290.0000.01015.51
7.1.280.0000.00915.60
7.1.270.0060.00615.69
7.1.260.0000.00915.93
7.1.250.0050.00515.85
7.1.230.0790.00315.87
7.1.220.0210.00715.41
7.1.210.0230.00615.72
7.1.200.0130.00815.79
7.1.190.0230.00315.81
7.1.180.0140.01415.47
7.1.170.0260.00315.89
7.1.160.0260.00315.88
7.1.150.0140.00715.87
7.1.140.0210.00015.89
7.1.130.0210.00315.64
7.1.120.0130.00515.88
7.1.110.0210.00415.61
7.1.100.0080.00716.83
7.1.90.0200.00015.86
7.1.80.0160.00615.81
7.1.70.0120.00316.53
7.1.60.0190.00817.71
7.1.50.0220.01516.37
7.1.40.0280.00316.01
7.1.30.0170.00715.92
7.1.20.0140.01115.72
7.1.10.0140.01115.80
7.1.00.0140.03719.09
7.0.310.0130.00315.48
7.0.300.0110.00615.33
7.0.290.0230.00315.48
7.0.280.0200.00315.42
7.0.270.0130.00015.18
7.0.260.0240.00315.41
7.0.250.0140.00015.38
7.0.240.0140.01115.49
7.0.230.0180.00515.39
7.0.220.0190.00415.58
7.0.210.0250.00915.38
7.0.200.0670.00714.98
7.0.190.0180.00415.50
7.0.180.0140.00715.38
7.0.170.0130.00815.42
7.0.160.0180.00315.36
7.0.150.0150.00815.55
7.0.140.0080.04018.72
7.0.130.0170.00715.46
7.0.120.0200.00315.47
7.0.110.0140.00615.47
7.0.100.0090.00515.49
7.0.90.0330.00715.46
7.0.80.0260.00615.40
7.0.70.0260.00315.39
7.0.60.0100.04217.73
7.0.50.0120.04016.76
7.0.40.0070.02416.77
7.0.30.0190.02216.63
7.0.20.0150.04216.75
7.0.10.0110.02716.71
7.0.00.0030.04816.80
5.6.380.0120.00614.06
5.6.370.0130.00314.38
5.6.360.0130.00314.62
5.6.350.0070.00714.17
5.6.340.0100.00514.56
5.6.330.0110.00414.61
5.6.320.0100.00513.96
5.6.310.0090.00314.23
5.6.300.0070.00714.09
5.6.290.0160.00014.50
5.6.280.0090.00614.41
5.6.270.0120.00614.23
5.6.260.0140.00314.32
5.6.250.0140.00314.20
5.6.240.0110.00514.40
5.6.230.0140.00514.32
5.6.220.0080.00814.04
5.6.210.0090.03117.46
5.6.200.0040.04716.12
5.6.190.0120.04217.54
5.6.180.0160.02617.46
5.6.170.0120.04817.32
5.6.160.0070.03017.35
5.6.150.0140.01816.26
5.6.140.0050.02616.09
5.6.130.0130.03716.22
5.6.120.0070.03117.71
5.6.110.0040.02617.68
5.6.100.0040.03717.71
5.6.90.0050.03917.51
5.6.80.0090.03717.40
5.6.70.0220.03917.35
5.6.60.0030.00914.25
5.6.50.0060.00914.30
5.6.40.0060.00614.17
5.6.30.0040.00714.32
5.6.20.0090.00514.12
5.6.10.0070.00714.09
5.6.00.0050.00814.35
5.5.380.0110.00010.94
5.5.370.0040.00811.04
5.5.360.0030.00911.11
5.5.350.0110.02015.59
5.5.340.0080.03114.51
5.5.330.0100.02215.56
5.5.320.0060.02215.73
5.5.310.0200.03515.61
5.5.300.0050.03614.40
5.5.290.0060.02214.57
5.5.280.0120.03515.86
5.5.270.0050.02515.79
5.5.260.0070.02315.70
5.5.250.0120.03715.75
5.5.240.0020.03915.59
5.5.230.0060.00311.04
5.5.220.0130.00310.72
5.5.210.0080.00811.07
5.5.200.0100.00711.07
5.5.190.0000.01010.80
5.5.180.0080.00010.86
5.5.170.0090.00914.34
5.5.160.0090.00311.09
5.5.150.0090.00311.01
5.5.140.0050.00511.04
5.5.130.0030.00711.14
5.5.120.0050.00310.93
5.5.110.0050.00511.20
5.5.100.0080.00411.06
5.5.90.0070.00310.82
5.5.80.0070.00411.02
5.5.70.0110.00010.59
5.5.60.0080.00310.98
5.5.50.0000.00911.20
5.5.40.0060.00610.84
5.5.30.0110.00011.06
5.5.20.0090.00011.09
5.5.10.0100.00011.15
5.5.00.0040.00511.13
5.4.450.0070.03215.24
5.4.440.0130.03015.28
5.4.430.0520.03515.35
5.4.420.0230.03115.34
5.4.410.0080.03015.01
5.4.400.0280.03214.78
5.4.390.0270.03614.79
5.4.380.0240.04214.78
5.4.370.0280.03814.81
5.4.360.0210.03114.70
5.4.350.0160.03514.59
5.4.340.0230.03014.73
5.4.330.0060.00910.84
5.4.320.0230.03314.61
5.4.310.0270.03414.77
5.4.300.0230.03314.77
5.4.290.0270.03014.69
5.4.280.0240.03114.73
5.4.270.0250.03714.80
5.4.260.0230.03314.52
5.4.250.0280.03714.78
5.4.240.0230.04114.54
5.4.230.0290.03414.75
5.4.220.0240.03214.78
5.4.210.0290.02614.72
5.4.200.0290.03013.67
5.4.190.0200.03214.56
5.4.180.0240.02914.58
5.4.170.0340.03514.76
5.4.160.0300.03414.59
5.4.150.0200.03314.70
5.4.140.0240.03113.46
5.4.130.0230.03713.48
5.4.120.0300.02713.69
5.4.110.0180.03413.60
5.4.100.0210.03213.62
5.4.90.0170.03713.65
5.4.80.0260.03013.44
5.4.70.0190.03413.55
5.4.60.0150.04213.65
5.4.50.0220.03413.63
5.4.40.0230.03513.62
5.4.30.0150.03813.38
5.4.20.0260.03313.56
5.4.10.0210.02513.41
5.4.00.0150.03113.23
5.3.290.0200.03012.63
5.3.280.0210.03012.36
5.3.270.0200.02912.52
5.3.260.0150.03312.46
5.3.250.0230.02812.49
5.3.240.0180.03912.41
5.3.230.0190.03112.49
5.3.220.0180.02912.39
5.3.210.0190.03312.39
5.3.200.0220.02612.34
5.3.190.0210.02812.38
5.3.180.0180.03312.53
5.3.170.0190.02812.47
5.3.160.0200.02712.49
5.3.150.0210.02812.50
5.3.140.0190.03112.49
5.3.130.0180.03312.46
5.3.120.0200.03012.47
5.3.110.0130.03412.44
5.3.100.0280.02712.22
5.3.90.0200.02912.25
5.3.80.0210.02512.07
5.3.70.0150.02912.15
5.3.60.0260.02412.18
5.3.50.0200.02812.07
5.3.40.0130.03412.11
5.3.30.0200.02612.11
5.3.20.0120.03511.88
5.3.10.0170.02811.88
5.3.00.0160.03111.73
5.2.170.0160.02310.31
5.2.160.0140.02510.23
5.2.150.0160.02310.22
5.2.140.0150.02310.05
5.2.130.0150.02710.05
5.2.120.0190.01810.19
5.2.110.0210.01810.15
5.2.100.0220.01510.12
5.2.90.0200.02410.19
5.2.80.0210.02110.13
5.2.70.0180.0239.99
5.2.60.0180.02310.07
5.2.50.0200.01910.13
5.2.40.0160.02010.16
5.2.30.0130.02410.04
5.2.20.0160.02710.03
5.2.10.0190.0279.92
5.2.00.0140.0309.90
5.1.60.0150.0159.46
5.1.50.0080.0239.50
5.1.40.0170.0209.47
5.1.30.0160.0189.61
5.1.20.0170.0279.71
5.1.10.0150.0159.52
5.1.00.0140.0169.54
5.0.50.0090.0138.76
5.0.40.0100.0158.73
5.0.30.0030.0258.64
5.0.20.0050.0168.63
5.0.10.0080.0148.62
5.0.00.0070.0248.54
4.4.90.0050.0157.45
4.4.80.0050.0127.39
4.4.70.0030.0157.38
4.4.60.0090.0107.40
4.4.50.0030.0157.38
4.4.40.0050.0207.42
4.4.30.0030.0157.41
4.4.20.0050.0137.45
4.4.10.0050.0147.45
4.4.00.0110.0167.45
4.3.110.0070.0127.38
4.3.100.0060.0137.38
4.3.90.0050.0137.36
4.3.80.0060.0177.36
4.3.70.0030.0147.37
4.3.60.0090.0097.40
4.3.50.0060.0117.38
4.3.40.0050.0207.35
4.3.30.0050.0126.75
4.3.20.0040.0136.78
4.3.10.0000.0176.71
4.3.00.0070.0087.79

preferences:
34.61 ms | 400 KiB | 5 Q