3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = "test"; $two = "tester"; $result = $one . " " . $two;

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)
8.3.40.0090.01218.59
8.3.30.0140.00018.55
8.3.20.0080.00018.65
8.3.10.0040.00420.53
8.3.00.0030.00619.13
8.2.170.0110.00422.96
8.2.160.0030.01618.77
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00418.77
8.2.110.0090.00020.35
8.2.100.0130.00317.72
8.2.90.0050.00319.09
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0080.00018.04
8.2.50.0080.00018.10
8.2.40.0000.00820.53
8.2.30.0070.00017.99
8.2.20.0060.00317.63
8.2.10.0000.00717.79
8.2.00.0000.00717.61
8.1.270.0070.00024.66
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.66
8.1.230.0080.00317.76
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.01117.10
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0050.00222.04
8.1.150.0040.00418.62
8.1.140.0000.00717.49
8.1.130.0030.00317.79
8.1.120.0030.00617.38
8.1.110.0050.00217.45
8.1.100.0050.00217.40
8.1.90.0000.00817.39
8.1.80.0070.00017.30
8.1.70.0030.00317.44
8.1.60.0080.00017.58
8.1.50.0070.00017.50
8.1.40.0000.00817.42
8.1.30.0050.00217.63
8.1.20.0030.00517.57
8.1.10.0040.00417.51
8.1.00.0040.00417.39
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0000.00718.49
8.0.270.0000.00717.16
8.0.260.0000.00716.80
8.0.250.0040.00416.94
8.0.240.0030.00316.85
8.0.230.0030.00316.84
8.0.220.0040.00416.87
8.0.210.0050.00316.88
8.0.200.0030.00316.97
8.0.190.0040.00316.91
8.0.180.0040.00416.78
8.0.170.0060.00316.77
8.0.160.0000.00816.89
8.0.150.0030.00516.73
8.0.140.0070.00016.75
8.0.130.0060.00013.32
8.0.120.0000.00716.74
8.0.110.0040.00316.89
8.0.100.0000.00716.76
8.0.90.0050.00216.88
8.0.80.0030.01216.89
8.0.70.0040.00416.76
8.0.60.0000.00716.76
8.0.50.0040.00416.66
8.0.30.0060.01216.97
8.0.20.0030.01517.33
8.0.10.0000.00816.96
8.0.00.0060.01116.59
7.4.330.0000.00512.98
7.4.320.0060.00016.63
7.4.300.0030.00316.48
7.4.290.0030.00316.59
7.4.280.0070.00016.50
7.4.270.0040.00416.59
7.4.260.0050.00013.20
7.4.250.0040.00416.37
7.4.240.0030.00316.59
7.4.230.0000.00716.51
7.4.220.0030.01316.52
7.4.210.0030.01116.53
7.4.200.0030.00316.23
7.4.190.0050.00216.68
7.4.160.0080.00816.31
7.4.150.0090.00916.52
7.4.140.0080.00916.34
7.4.130.0080.00816.50
7.4.120.0080.00816.46
7.4.110.0090.01516.50
7.4.100.0120.00616.41
7.4.90.0090.00916.44
7.4.80.0000.01619.39
7.4.70.0100.00716.45
7.4.60.0090.00616.39
7.4.50.0070.00516.13
7.4.40.0090.00616.27
7.4.30.0000.01616.49
7.4.00.0090.00914.97
7.3.330.0000.00612.92
7.3.320.0050.00013.06
7.3.310.0040.00416.19
7.3.300.0040.00416.21
7.3.290.0060.00916.13
7.3.280.0100.01016.22
7.3.270.0030.01416.32
7.3.260.0070.01016.07
7.3.250.0050.01216.41
7.3.240.0040.01716.56
7.3.230.0110.00616.40
7.3.210.0200.00316.52
7.3.200.0170.00016.13
7.3.190.0110.01116.50
7.3.180.0070.01516.26
7.3.170.0120.00616.37
7.3.160.0060.01016.21
7.3.120.0070.00714.68
7.3.110.0090.00314.67
7.3.100.0140.00014.87
7.3.90.0070.00714.61
7.3.80.0110.00014.75
7.3.70.0090.00014.50
7.3.60.0070.00714.63
7.3.50.0110.00414.79
7.3.40.0060.01014.48
7.3.30.0110.00314.82
7.3.20.0090.00616.39
7.3.10.0110.00416.30
7.3.00.0060.01016.48
7.2.330.0070.01016.32
7.2.320.0090.00916.62
7.2.310.0170.00016.52
7.2.300.0100.01016.57
7.2.290.0150.00616.18
7.2.250.0040.01514.95
7.2.240.0100.01015.08
7.2.230.0040.01115.11
7.2.220.0080.00814.89
7.2.210.0080.00614.80
7.2.200.0060.00614.71
7.2.190.0080.00414.64
7.2.180.0060.01114.64
7.2.170.0030.00614.93
7.2.60.0040.01516.83
7.2.00.0100.00719.38
7.1.330.0130.00315.54
7.1.320.0070.01015.55
7.1.310.0000.01715.59
7.1.300.0000.01415.60
7.1.290.0060.00915.48
7.1.280.0000.01415.49
7.1.270.0100.00315.54
7.1.260.0060.00915.40
7.1.200.0030.00915.73
7.1.100.0000.01117.59
7.1.70.0060.00317.08
7.1.60.0060.01519.40
7.1.50.0110.01116.94
7.1.00.0000.03722.48
7.0.200.0150.00014.78
7.0.140.0000.07721.99
7.0.120.0000.07022.12
7.0.60.0170.05319.90
7.0.50.0030.04317.87
7.0.40.0100.03317.78
7.0.30.0100.07717.73
7.0.20.0100.08317.69
7.0.10.0170.07017.68
7.0.00.0130.04317.65
5.6.280.0100.08721.09
5.6.210.0130.07320.43
5.6.200.0030.07018.22
5.6.190.0130.07318.18
5.6.180.0100.08018.07
5.6.170.0130.04318.18
5.6.160.0000.09018.08
5.6.150.0330.02718.11
5.6.140.0070.04718.11
5.6.130.0030.05018.18
5.6.120.0070.08018.18
5.6.110.0030.08018.20
5.6.100.0170.03718.14
5.6.90.0130.08018.07
5.6.80.0130.04717.61
5.6.70.0030.04017.57
5.6.60.0070.05717.46
5.6.50.0100.07017.60
5.6.40.0000.05717.57
5.6.30.0170.04717.58
5.6.20.0070.04717.47
5.6.10.0030.05017.43
5.6.00.0230.06017.47
5.5.350.0000.04320.43
5.5.340.0030.04318.02
5.5.330.0000.06718.00
5.5.320.0100.06317.93
5.5.310.0100.06717.98
5.5.300.0200.07017.98
5.5.290.0130.06017.96
5.5.280.0070.07717.91
5.5.270.0070.07717.90
5.5.260.0070.04717.97
5.5.250.0030.05017.82
5.5.240.0100.07317.26
5.5.230.0070.05017.40
5.5.220.0170.06717.29
5.5.210.0100.07017.34
5.5.200.0130.07017.32
5.5.190.0070.04017.27
5.5.180.0300.03317.30
5.5.160.0100.04017.24
5.5.150.0030.07317.22
5.5.140.0070.07017.36
5.5.130.0130.07317.32
5.5.120.0170.07017.22
5.5.110.0100.07017.32
5.5.100.0030.04317.15
5.5.90.0000.08017.21
5.5.80.0100.05717.22
5.5.70.0130.07017.26
5.5.60.0030.05717.19
5.5.50.0130.06717.14
5.5.40.0030.07317.24
5.5.30.0070.06717.20
5.5.20.0030.06017.19
5.5.10.0030.06717.21
5.5.00.0130.07017.25
5.4.450.0070.06719.32
5.4.440.0170.07319.34
5.4.430.0100.07719.30
5.4.420.0030.08019.27
5.4.410.0030.06719.31
5.4.400.0100.07718.95
5.4.390.0100.03719.09
5.4.380.0100.08019.04
5.4.370.0130.07318.99
5.4.360.0070.04319.11
5.4.350.0100.07719.13
5.4.340.0030.08319.00
5.4.320.0100.05718.82
5.4.310.0030.08318.99
5.4.300.0170.05719.00
5.4.290.0100.03318.88
5.4.280.0100.06018.96
5.4.270.0030.08018.89
5.4.260.0070.04718.97
5.4.250.0030.08019.09
5.4.240.0100.05019.03
5.4.230.0070.07019.00
5.4.220.0100.05718.98
5.4.210.0070.04319.20
5.4.200.0230.05319.02
5.4.190.0030.07718.97
5.4.180.0070.07719.00
5.4.170.0100.07318.95
5.4.160.0130.06718.97
5.4.150.0030.07718.80
5.4.140.0000.06316.45
5.4.130.0000.04016.36
5.4.120.0100.07016.30
5.4.110.0070.07316.43
5.4.100.0130.06716.29
5.4.90.0030.07716.16
5.4.80.0070.04716.37
5.4.70.0070.05316.35
5.4.60.0030.03716.20
5.4.50.0100.03016.40
5.4.40.0070.06716.27
5.4.30.0100.06016.33
5.4.20.0030.03716.15
5.4.10.0070.04316.14
5.4.00.0030.04715.74
5.3.290.0030.07314.58
5.3.280.0070.07714.58
5.3.270.0100.06014.60
5.3.260.0000.04714.57
5.3.250.0030.06714.54
5.3.240.0030.04014.38
5.3.230.0200.04314.45
5.3.220.0100.07714.41
5.3.210.0030.04714.51
5.3.200.0070.07314.34
5.3.190.0030.07014.38
5.3.180.0030.04714.48
5.3.170.0070.07714.49
5.3.160.0000.04314.48
5.3.150.0030.03714.51
5.3.140.0100.07014.48
5.3.130.0100.04014.51
5.3.120.0030.04014.48
5.3.110.0030.04014.36
5.3.100.0030.07313.99
5.3.90.0100.06713.95
5.3.80.0070.06013.96
5.3.70.0000.04013.95
5.3.60.0030.07013.93
5.3.50.0130.07013.91
5.3.40.0070.04013.92
5.3.30.0100.07313.69
5.3.20.0100.07313.63
5.3.10.0100.06713.61
5.3.00.0100.07313.40
5.2.170.0070.06011.09
5.2.160.0100.05311.29
5.2.150.0030.03011.13
5.2.140.0070.06011.06
5.2.130.0070.06011.08
5.2.120.0030.05011.01
5.2.110.0070.06011.08
5.2.100.0100.06011.09
5.2.90.0130.05711.07
5.2.80.0100.03711.06
5.2.70.0100.04011.01
5.2.60.0030.04011.04
5.2.50.0070.06310.97
5.2.40.0030.04010.84
5.2.30.0070.05010.88
5.2.20.0000.06710.94
5.2.10.0070.06310.83
5.2.00.0030.05010.86
5.1.60.0000.05310.04
5.1.50.0070.03310.04
5.1.40.0030.0239.91
5.1.30.0030.04310.22
5.1.20.0000.02710.26
5.1.10.0030.02310.12
5.1.00.0030.02310.05
5.0.50.0000.0208.45
5.0.40.0030.0178.47
5.0.30.0030.0338.20
5.0.20.0000.0208.15
5.0.10.0070.0138.07
5.0.00.0000.0308.13
4.4.90.0000.0377.99
4.4.80.0070.0107.99
4.4.70.0030.0377.99
4.4.60.0070.0337.99
4.4.50.0000.0337.99
4.4.40.0100.0237.99
4.4.30.0000.0177.99
4.4.20.0000.0207.99
4.4.10.0000.0207.99
4.4.00.0000.0277.99
4.3.110.0000.0177.99
4.3.100.0000.0177.99
4.3.90.0070.0107.99
4.3.80.0030.0207.99
4.3.70.0000.0137.99
4.3.60.0000.0137.99
4.3.50.0030.0207.99
4.3.40.0000.0237.99
4.3.30.0000.0137.99
4.3.20.0000.0137.99
4.3.10.0000.0137.99
4.3.00.0000.0137.99

preferences:
54.28 ms | 400 KiB | 5 Q