3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "aaaaa bbbbb"; 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)
8.3.60.0180.00016.38
8.3.50.0110.00716.25
8.3.40.0180.00318.72
8.3.30.0110.00418.52
8.3.20.0000.00821.60
8.3.10.0000.00823.48
8.3.00.0040.00419.56
8.2.180.0100.01316.38
8.2.170.0150.00022.96
8.2.160.0070.01119.29
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00020.53
8.2.120.0070.00026.35
8.2.110.0090.00022.07
8.2.100.0040.00817.78
8.2.90.0050.00319.17
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0030.00518.10
8.2.40.0040.00420.55
8.2.30.0080.00019.11
8.2.20.0040.00417.97
8.2.10.0040.00417.98
8.2.00.0040.00418.05
8.1.280.0090.00925.92
8.1.270.0030.00520.62
8.1.260.0080.00626.35
8.1.250.0000.00728.09
8.1.240.0040.00720.87
8.1.230.0000.01217.70
8.1.220.0060.00317.76
8.1.210.0000.00918.77
8.1.200.0100.00017.22
8.1.190.0030.00517.10
8.1.180.0000.00718.10
8.1.170.0080.00018.50
8.1.160.0050.00218.73
8.1.150.0000.00718.73
8.1.140.0030.00519.56
8.1.130.0000.00718.77
8.1.120.0000.00717.38
8.1.110.0000.00817.39
8.1.100.0000.00817.40
8.1.90.0000.00817.40
8.1.80.0040.00417.40
8.1.70.0000.00717.39
8.1.60.0000.00717.54
8.1.50.0000.00817.43
8.1.40.0040.00417.35
8.1.30.0030.00617.46
8.1.20.0040.00417.51
8.1.10.0040.00417.40
8.1.00.0000.00817.32
8.0.300.0000.00718.77
8.0.290.0000.00716.58
8.0.280.0070.00018.34
8.0.270.0000.00717.25
8.0.260.0000.00617.16
8.0.250.0000.01016.78
8.0.240.0080.00016.95
8.0.230.0030.00316.76
8.0.220.0000.00716.67
8.0.210.0070.00016.77
8.0.200.0000.00716.88
8.0.190.0060.00316.86
8.0.180.0040.00416.86
8.0.170.0030.00516.77
8.0.160.0070.00016.91
8.0.150.0060.00516.72
8.0.140.0040.00416.66
8.0.130.0030.00313.29
8.0.120.0040.00416.78
8.0.110.0000.00716.71
8.0.100.0040.00416.86
8.0.90.0040.00416.81
8.0.80.0090.00616.73
8.0.70.0000.00816.84
8.0.60.0080.00016.65
8.0.50.0000.00716.80
8.0.30.0120.00717.02
8.0.20.0090.00917.40
8.0.10.0070.00016.87
8.0.00.0100.00716.64
7.4.330.0050.00015.55
7.4.320.0000.00616.38
7.4.300.0070.00016.52
7.4.290.0030.00316.52
7.4.280.0000.00716.55
7.4.270.0000.00716.43
7.4.260.0030.00516.50
7.4.250.0030.00316.30
7.4.240.0030.00316.44
7.4.230.0070.00016.55
7.4.220.0060.01216.51
7.4.210.0100.00316.46
7.4.200.0070.00016.37
7.4.160.0100.00616.42
7.4.150.0000.01717.40
7.4.140.0180.00617.86
7.4.130.0030.01616.24
7.4.120.0070.01416.48
7.4.110.0100.00716.38
7.4.100.0100.01016.57
7.4.90.0120.00616.22
7.4.80.0090.01219.39
7.4.70.0110.00516.63
7.4.60.0110.00716.49
7.4.50.0090.00616.34
7.4.40.0130.00316.50
7.4.30.0120.00816.37
7.4.00.0060.00914.82
7.3.330.0030.00313.07
7.3.320.0030.00312.94
7.3.310.0000.00716.20
7.3.300.0060.00016.05
7.3.290.0120.00216.14
7.3.280.0100.00716.17
7.3.270.0080.00817.40
7.3.260.0050.01216.24
7.3.250.0100.00916.25
7.3.240.0110.00816.45
7.3.230.0160.00016.57
7.3.210.0090.00916.29
7.3.200.0180.00316.43
7.3.190.0090.00916.40
7.3.180.0030.01316.27
7.3.170.0120.00316.55
7.3.160.0130.00316.38
7.3.10.0090.00916.39
7.3.00.0060.01116.47
7.2.330.0040.01616.66
7.2.320.0150.00716.23
7.2.310.0060.01316.51
7.2.300.0110.00416.64
7.2.290.0060.01016.39
7.2.130.0060.01016.44
7.2.120.0080.00916.70
7.2.110.0070.00916.75
7.2.100.0070.00716.55
7.2.90.0090.00616.61
7.2.80.0030.01216.74
7.2.70.0110.00816.64
7.2.60.0070.00716.53
7.2.50.0110.00516.51
7.2.40.0070.00716.68
7.2.30.0100.00516.57
7.2.20.0090.00916.73
7.2.10.0090.00816.72
7.2.00.0110.00717.34
7.1.250.0100.00615.47
7.1.200.0000.01115.64
7.1.100.0120.00317.88
7.1.70.0000.00916.98
7.1.60.0080.00417.13
7.1.50.0900.00732.43
7.1.40.0730.01732.29
7.1.30.0700.00732.39
7.1.20.0470.01332.42
7.1.10.0370.00714.71
7.1.00.0430.01314.50
7.0.200.0000.00916.75
7.0.190.0430.01014.57
7.0.180.0400.01014.27
7.0.170.0500.01014.27
7.0.160.0670.01014.27
7.0.150.0330.00714.42
7.0.140.0570.01014.27
7.0.130.0430.01314.51
7.0.120.0530.01014.49
7.0.110.0430.00714.23
7.0.100.0400.01014.02
7.0.90.0570.00714.14
7.0.80.0430.00314.30
7.0.70.0370.01013.92
7.0.60.0400.01013.84
7.0.50.0430.01314.31
7.0.40.0630.01014.39
7.0.30.0430.01014.36
7.0.20.0730.01014.52
7.0.10.0630.01314.49
7.0.00.0500.00714.38

preferences:
58.42 ms | 401 KiB | 5 Q