3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo round('2.555', 2); echo round('2.555', 2, PHP_HALF_ROUND_UP);

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)
8.3.60.0160.00016.50
8.3.50.0060.00916.15
8.3.40.0120.00918.91
8.3.30.0150.00018.71
8.3.20.0000.00820.16
8.3.10.0000.00823.68
8.3.00.0050.00319.80
8.2.180.0090.01218.29
8.2.170.0110.00422.96
8.2.160.0030.01020.39
8.2.150.0090.00024.18
8.2.140.0000.00924.66
8.2.130.0080.00026.16
8.2.120.0000.01117.75
8.2.110.0030.00622.29
8.2.100.0070.00417.75
8.2.90.0040.00719.17
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0040.00418.05
8.2.50.0050.00318.07
8.2.40.0060.00319.46
8.2.30.0000.00719.94
8.2.20.0040.00417.75
8.2.10.0050.00317.93
8.2.00.0040.00418.13
8.1.280.0100.00625.92
8.1.270.0000.00820.31
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0040.00419.27
8.1.230.0040.00817.48
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00617.35
8.1.190.0050.00317.13
8.1.180.0060.00318.10
8.1.170.0050.00518.65
8.1.160.0040.00422.09
8.1.150.0020.00518.78
8.1.140.0040.00417.42
8.1.130.0000.00717.69
8.1.120.0050.00317.36
8.1.110.0000.00817.50
8.1.100.0000.00817.45
8.1.90.0000.00717.43
8.1.80.0030.00517.44
8.1.70.0030.00317.48
8.1.60.0030.00517.64
8.1.50.0030.00517.55
8.1.40.0030.00617.39
8.1.30.0060.00317.64
8.1.20.0040.00417.58
8.1.10.0000.00717.44
8.1.00.0050.00317.44
8.0.300.0080.00018.77
8.0.290.0080.00016.88
8.0.280.0030.00318.45
8.0.270.0070.00017.19
8.0.260.0000.00817.18
8.0.250.0040.00416.95
8.0.240.0030.00317.05
8.0.230.0040.00417.01
8.0.220.0000.00716.89
8.0.210.0050.00317.06
8.0.200.0030.00617.05
8.0.190.0040.00417.06
8.0.180.0040.00416.90
8.0.170.0050.00316.88
8.0.160.0070.00016.91
8.0.150.0040.00416.96
8.0.140.0050.00217.00
8.0.130.0000.00813.36
8.0.120.0040.00416.98
8.0.110.0060.00316.95
8.0.100.0080.00016.91
8.0.90.0050.00316.88
8.0.80.0060.00917.07
8.0.70.0000.00717.01
8.0.60.0080.00016.82
8.0.50.0000.00717.03
8.0.30.0140.00617.09
8.0.20.0100.01217.40
8.0.10.0040.00417.05
8.0.00.0080.00916.69
7.4.330.0000.00515.08
7.4.320.0030.00316.55
7.4.300.0040.00416.49
7.4.290.0040.00416.40
7.4.280.0040.00816.57
7.4.270.0030.00316.59
7.4.260.0030.00716.54
7.4.250.0080.00016.40
7.4.240.0030.00316.57
7.4.230.0000.00716.69
7.4.220.0090.01216.39
7.4.210.0090.00616.38
7.4.200.0000.00716.58
7.4.160.0090.00616.51
7.4.150.0090.00917.40
7.4.140.0090.00817.86
7.4.130.0090.01416.45
7.4.120.0120.00616.47
7.4.110.0110.00716.62
7.4.100.0110.00716.52
7.4.90.0250.02616.35
7.4.80.0190.00319.39
7.4.70.0170.00316.55
7.4.60.0130.00316.53
7.4.50.0040.00416.48
7.4.40.0100.00616.35
7.4.30.0130.00516.38
7.4.00.0030.01314.92
7.3.330.0000.00613.11
7.3.320.0050.00012.98
7.3.310.0000.00716.29
7.3.300.0000.00816.09
7.3.290.0060.01216.22
7.3.280.0120.00816.26
7.3.270.0110.00517.40
7.3.260.0080.00816.30
7.3.250.0100.00816.52
7.3.240.0130.00816.64
7.3.230.0110.00516.39
7.3.210.0100.00916.64
7.3.200.0080.01316.30
7.3.190.0040.01616.43
7.3.180.0140.00716.31
7.3.170.0030.01416.46
7.3.160.0170.00016.39
7.3.10.0090.00816.35
7.3.00.0090.00816.30
7.2.330.0090.00916.32
7.2.320.0280.03516.65
7.2.310.0100.00716.75
7.2.300.0090.00916.38
7.2.290.0030.01316.68
7.2.130.0090.00816.65
7.2.120.0110.00716.77
7.2.110.0080.00716.36
7.2.100.0070.01016.44
7.2.90.0070.00916.58
7.2.80.0100.00616.55
7.2.70.0080.00916.76
7.2.60.0070.00916.45
7.2.50.0060.01016.40
7.2.40.0080.01016.61
7.2.30.0090.00616.67
7.2.20.0090.00416.43
7.2.10.0080.00816.46
7.2.00.0060.00817.38
7.1.250.0080.00715.39
7.1.200.0090.00315.77
7.1.100.0000.01117.93
7.1.70.0000.00816.70
7.1.60.0070.01820.03
7.1.50.0130.01034.81
7.1.00.0100.07022.45
7.0.200.0040.00716.78
7.0.60.0130.07719.95
7.0.50.0100.08017.77
7.0.40.0100.07719.96
7.0.30.0270.07720.01
7.0.20.0270.04020.09
7.0.10.0000.05720.32
7.0.00.0100.08320.33
5.6.280.0000.03320.90
5.6.210.0000.05320.76
5.6.200.0030.05018.12
5.6.190.0100.05320.49
5.6.180.0130.04320.41
5.6.170.0470.07020.68
5.6.160.0100.08020.55
5.6.150.0130.07718.21
5.6.140.0070.05718.07
5.6.130.0000.04318.18
5.6.120.0070.08721.01
5.6.110.0030.06020.88
5.6.100.0030.07021.08
5.6.90.0070.04720.99
5.6.80.0170.05320.43
5.5.350.0030.03720.45
5.5.340.0070.03318.02
5.5.330.0030.07020.21
5.5.320.1500.06320.34
5.5.310.0170.04320.34
5.5.300.0100.03717.95
5.5.290.0030.08318.01
5.5.280.0030.04020.72
5.5.270.0030.08720.85
5.5.260.0130.07320.74
5.5.250.0100.03720.76
5.5.240.0030.07720.25
5.4.450.0570.06719.25
5.4.440.0630.05319.61
5.4.430.0470.06719.27
5.4.420.0530.06319.60
5.4.410.0570.05719.32
5.4.400.0630.05019.31
5.4.390.0830.06019.27
5.4.380.0630.06019.37
5.4.370.0730.03719.13
5.4.360.0730.05718.91
5.4.350.0900.06719.09
5.4.340.0730.07319.29
5.4.320.0670.07318.80
5.4.310.0170.05319.14
5.4.300.0800.04319.05
5.4.290.0630.06319.14
5.4.280.0730.05719.38
5.4.270.0570.05319.25
5.4.260.0330.05319.15
5.4.250.0100.05319.28
5.4.240.0170.06019.25
5.4.230.0470.05719.38
5.4.220.0600.04719.14
5.4.210.0100.05719.27
5.4.200.0070.06719.36
5.4.190.0300.04719.25
5.4.180.0170.06319.10
5.4.170.0330.04719.13
5.4.160.0200.05019.12
5.4.150.0270.06019.23
5.4.140.0170.07716.38
5.4.130.0300.04316.50
5.4.120.0400.05716.31
5.4.110.0370.06716.55
5.4.100.0200.06316.54
5.4.90.0270.06316.18
5.4.80.0200.04716.35
5.4.70.0200.03716.37
5.4.60.0230.04016.27
5.4.50.0000.07316.16
5.4.40.0200.07016.27
5.4.30.0130.02716.26
5.4.20.0430.05716.31
5.4.10.0270.04016.36

preferences:
57.14 ms | 400 KiB | 5 Q