3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "test" + "test"; echo $string;

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)
8.3.40.0040.01118.76
8.3.30.0130.00020.04
8.3.20.0040.00420.52
8.3.10.0070.00021.06
8.3.00.0040.00422.27
8.2.170.0140.00022.96
8.2.160.0100.00320.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00021.09
8.2.110.0040.00419.18
8.2.100.0080.00417.72
8.2.90.0050.00219.05
8.2.80.0090.00018.04
8.2.70.0080.00317.47
8.2.60.0050.00317.79
8.2.50.0000.01418.07
8.2.40.0060.00318.03
8.2.30.0040.00419.48
8.2.20.0040.00417.52
8.2.10.0000.00717.67
8.2.00.0030.00517.58
8.1.270.0050.00223.99
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00322.44
8.1.230.0080.00420.89
8.1.220.0040.00418.77
8.1.210.0000.01318.85
8.1.200.0080.00317.22
8.1.190.0000.00717.39
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0040.00418.63
8.1.150.0040.00418.41
8.1.140.0080.00017.31
8.1.130.0000.00817.67
8.1.120.0000.00717.38
8.1.110.0040.00417.32
8.1.100.0050.00217.30
8.1.90.0050.00217.32
8.1.80.0040.00417.36
8.1.70.0080.00017.28
8.1.60.0040.00417.45
8.1.50.0000.00717.34
8.1.40.0060.00317.33
8.1.30.0070.00017.52
8.1.20.0000.00817.54
8.1.10.0040.00417.41
8.1.00.0000.00817.45
8.0.300.0070.00019.89
8.0.290.0040.00417.16
8.0.280.0070.00018.36
8.0.270.0000.00717.18
8.0.260.0000.00716.68
8.0.250.0000.00716.96
8.0.240.0080.00416.81
8.0.230.0000.00716.89
8.0.220.0030.00416.89
8.0.210.0030.00316.78
8.0.200.0020.00516.95
8.0.190.0000.00716.81
8.0.180.0040.00416.92
8.0.170.0000.00816.82
8.0.160.0070.00016.84
8.0.150.0000.00716.90
8.0.140.0060.00316.77
8.0.130.0040.00413.35
8.0.120.0050.00316.67
8.0.110.0040.00416.79
8.0.100.0000.00716.83
8.0.90.0050.00216.70
8.0.80.0070.00716.84
8.0.70.0040.00316.81
8.0.60.0050.00316.87
8.0.50.0070.00016.88
8.0.30.0110.01116.99
8.0.20.0160.00317.40
8.0.10.0000.00716.83
8.0.00.0120.00716.55
7.4.330.0000.00516.71
7.4.320.0000.00616.41
7.4.300.0030.00316.52
7.4.290.0040.00416.54
7.4.280.0000.00616.43
7.4.270.0050.00216.54
7.4.260.0000.00513.23
7.4.250.0040.00416.38
7.4.240.0020.00516.44
7.4.230.0030.00316.62
7.4.220.0060.01516.54
7.4.210.0080.00816.54
7.4.200.0000.00716.27
7.4.190.0030.00316.46
7.4.160.0120.00816.35
7.4.150.0070.01117.40
7.4.140.0120.00517.86
7.4.130.0100.01016.54
7.4.120.0070.00916.45
7.4.110.0140.00316.39
7.4.100.0040.01516.53
7.4.90.0090.01016.47
7.4.80.0090.00919.39
7.4.70.0130.00416.59
7.4.60.0120.00416.29
7.4.50.0040.00416.34
7.4.40.0080.00322.77
7.4.30.0090.00916.54
7.4.00.0080.00815.06
7.3.330.0000.00613.05
7.3.320.0000.00712.99
7.3.310.0070.00016.13
7.3.300.0070.00016.30
7.3.290.0040.01016.27
7.3.280.0060.01016.26
7.3.270.0090.00917.40
7.3.260.0040.01318.24
7.3.250.0050.01516.24
7.3.240.0040.01816.53
7.3.230.0090.01016.39
7.3.210.0120.00916.57
7.3.200.0120.00619.39
7.3.190.0090.00916.45
7.3.180.0100.00716.31
7.3.170.0120.00316.27
7.3.160.0110.00616.29
7.3.120.0070.00914.70
7.3.110.0080.00914.83
7.3.100.0100.00314.80
7.3.90.0070.00814.80
7.3.80.0030.00914.52
7.3.70.0060.00614.58
7.3.60.0050.00914.70
7.3.50.0080.00714.56
7.3.40.0070.00614.73
7.3.30.0030.01214.82
7.3.20.0070.00516.68
7.3.10.0060.00616.64
7.3.00.0060.00816.52
7.2.330.0060.01216.54
7.2.320.0070.01016.60
7.2.310.0100.00716.33
7.2.300.0110.00616.40
7.2.290.0030.01316.57
7.2.250.0140.00314.64
7.2.240.0020.01614.95
7.2.230.0030.01114.87
7.2.220.0070.00714.88
7.2.210.0030.01315.01
7.2.200.0050.01014.94
7.2.190.0050.01114.80
7.2.180.0080.00815.05
7.2.170.0030.00815.01
7.2.160.0080.00415.06
7.2.150.0060.00916.48
7.2.140.0100.00616.73
7.2.130.0090.00616.62
7.2.120.0080.00816.78
7.2.110.0060.00916.92
7.2.100.0080.00817.00
7.2.90.0040.00716.88
7.2.80.0090.00916.90
7.2.70.0100.00716.78
7.2.60.0040.01016.85
7.2.50.0030.01216.78
7.2.40.0100.00716.58
7.2.30.0060.00616.88
7.2.20.0070.00716.86
7.2.10.0090.00616.89
7.2.00.0090.00518.18
7.1.330.0020.01315.68
7.1.320.0020.01015.67
7.1.310.0040.00915.74
7.1.300.0030.00815.69
7.1.290.0020.01215.82
7.1.280.0030.01115.71
7.1.270.0060.00815.67
7.1.260.0060.00615.86
7.1.250.0030.00615.58
7.1.200.0130.00315.74
7.1.100.0030.00717.88
7.1.70.0080.00017.15
7.1.60.0100.01619.17
7.1.50.0100.01416.44
7.1.00.0030.05322.27
7.0.200.0070.00016.82
7.0.140.0000.04721.98
7.0.100.0000.04021.76
7.0.90.0030.05321.62
7.0.80.0000.04021.70
7.0.70.0070.06321.71
7.0.60.0070.08321.71
7.0.50.0100.07321.96
7.0.40.0100.08020.07
7.0.30.0070.08320.11
7.0.20.0000.07720.15
7.0.10.0000.08720.11
7.0.00.0000.05320.14
5.6.280.0100.07021.12
5.6.250.0030.03720.76
5.6.240.0000.04020.55
5.6.230.0000.05720.66
5.6.220.0030.08020.55
5.6.210.0030.08720.57
5.6.200.0070.08721.01
5.6.190.0030.08720.94
5.6.180.0030.08320.88
5.6.170.0130.07721.05
5.6.160.0030.08020.93
5.6.150.0030.08021.11
5.6.140.0070.04721.07
5.6.130.0100.08321.07
5.6.120.0170.03721.00
5.6.110.0070.07021.00
5.6.100.0030.08321.11
5.6.90.0030.08321.08
5.6.80.0000.04720.46
5.6.70.0070.06720.30
5.6.60.0070.03320.30
5.6.50.0030.06320.55
5.6.40.0030.08320.36
5.6.30.0070.07020.36
5.6.20.0100.07720.42
5.6.10.0070.04320.51
5.6.00.0170.06720.43
5.5.380.0030.04020.38
5.5.370.0030.06320.30
5.5.360.0070.06320.30
5.5.350.0070.07720.37
5.5.340.0000.09020.91
5.5.330.0070.07320.75
5.5.320.0030.05020.73
5.5.310.0070.07720.92
5.5.300.0130.06720.88
5.5.290.0000.05320.81
5.5.280.0070.05320.63
5.5.270.0130.07720.81
5.5.260.0070.04720.82
5.5.250.0070.08020.71
5.5.240.0000.08320.18
5.5.230.0030.07720.29
5.5.220.0030.05020.29
5.5.210.0030.08020.28
5.5.200.0000.07020.21
5.5.190.0000.05020.21
5.5.180.0030.08020.14
5.5.160.0000.07720.16
5.5.150.0000.06719.98
5.5.140.0030.07020.07
5.5.130.0000.04020.26
5.5.120.0000.07320.16
5.5.110.0030.08020.23
5.5.100.0070.08020.07
5.5.90.0030.05320.06
5.5.80.0070.07019.96
5.5.70.0030.05319.99
5.5.60.0130.07319.99
5.5.50.0100.04020.05
5.5.40.0030.07719.92
5.5.30.0070.07320.02
5.5.20.0030.07320.04
5.5.10.0000.08720.10
5.5.00.0030.07720.00
5.4.450.0030.05319.11
5.4.440.0030.07719.55
5.4.430.0130.06719.44
5.4.420.0070.07019.27
5.4.410.0030.04319.31
5.4.400.0000.04718.84
5.4.390.0000.06719.05
5.4.380.0000.07318.81
5.4.370.0030.05018.95
5.4.360.0070.07319.14
5.4.350.0030.07319.22
5.4.340.0070.06019.10
5.4.320.0000.04719.05
5.4.310.0000.06019.23
5.4.300.0000.08019.02
5.4.290.0000.05318.90
5.4.280.0030.04718.95
5.4.270.0070.07019.22
5.4.260.0100.04018.79
5.4.250.0100.06718.80
5.4.240.0070.07019.22
5.4.230.0000.07719.04
5.4.220.0070.06719.14
5.4.210.0030.07019.22
5.4.200.0030.07319.05
5.4.190.0070.05019.10
5.4.180.0030.07718.91
5.4.170.0100.03718.98
5.4.160.0070.04019.00
5.4.150.0070.04319.00
5.4.140.0030.04716.46
5.4.130.0070.05716.37
5.4.120.0030.07016.11
5.4.110.0070.06316.36
5.4.100.0100.06716.42
5.4.90.0030.07016.20
5.4.80.0000.07316.32
5.4.70.0070.06716.24
5.4.60.0030.06716.42
5.4.50.0030.06016.23
5.4.40.0030.07016.35
5.4.30.0030.05716.29
5.4.20.0030.06716.18
5.4.10.0030.06316.23
5.4.00.0000.07715.79
5.3.290.0000.06314.52
5.3.280.0030.06714.45
5.3.270.0000.08314.56
5.3.260.0100.04014.58
5.3.250.0030.07314.54
5.3.240.0000.04314.61
5.3.230.0070.03714.58
5.3.220.0030.06714.57
5.3.210.0070.07314.51
5.3.200.0030.07014.42
5.3.190.0030.07014.55
5.3.180.0030.06014.42
5.3.170.0070.06714.38
5.3.160.0070.05714.52
5.3.150.0100.05714.41
5.3.140.0030.07314.53
5.3.130.0030.04314.53
5.3.120.0030.04014.39
5.3.110.0030.06314.54
5.3.100.0030.06013.98
5.3.90.0100.06313.88
5.3.80.0000.05313.97
5.3.70.0030.06313.95
5.3.60.0030.04013.93
5.3.50.0000.07713.94
5.3.40.0030.07713.88
5.3.30.0070.06313.84
5.3.20.0030.03313.64
5.3.10.0000.06313.42
5.3.00.0030.06713.49
5.2.170.0000.06311.54
5.2.160.0030.04311.54
5.2.150.0000.06311.54
5.2.140.0030.03311.54
5.2.130.0070.05711.54
5.2.120.0070.05311.54
5.2.110.0030.05311.54
5.2.100.0030.05011.54
5.2.90.0000.06311.54
5.2.80.0030.03311.54
5.2.70.0030.05011.54
5.2.60.0030.05711.54
5.2.50.0030.06011.54
5.2.40.0030.03011.54
5.2.30.0100.05711.54
5.2.20.0070.04711.54
5.2.10.0100.03011.54
5.2.00.0000.03311.54
5.1.60.0000.05011.54
5.1.50.0030.05011.54
5.1.40.0030.04711.54
5.1.30.0000.05711.54
5.1.20.0000.05711.54
5.1.10.0070.04711.54
5.1.00.0000.04311.54
5.0.50.0000.03711.54
5.0.40.0030.04311.54
5.0.30.0000.03711.54
5.0.20.0070.04011.54
5.0.10.0030.04311.54
5.0.00.0000.06711.54
4.4.90.0000.02711.54
4.4.80.0070.01711.54
4.4.70.0030.03011.54
4.4.60.0070.02011.54
4.4.50.0000.03711.54
4.4.40.0000.04311.54
4.4.30.0000.03711.54
4.4.20.0000.02711.54
4.4.10.0000.03711.54
4.4.00.0000.05711.54
4.3.110.0030.03011.54
4.3.100.0000.01711.54
4.3.90.0030.02311.54
4.3.80.0000.05711.54
4.3.70.0000.03711.54
4.3.60.0000.03011.54
4.3.50.0000.02311.54
4.3.40.0000.02711.54
4.3.30.0000.02311.54
4.3.20.0030.02711.54
4.3.10.0030.03311.54
4.3.00.0070.03011.54

preferences:
32.35 ms | 400 KiB | 5 Q