3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = round(0.21, 2); echo serialize($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)
8.3.40.0110.00418.84
8.3.30.0100.01018.75
8.3.20.0030.00620.30
8.3.10.0000.00723.72
8.3.00.0000.00722.57
8.2.170.0110.00422.96
8.2.160.0100.00722.08
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0060.00317.75
8.2.110.0100.00021.00
8.2.100.0000.01117.72
8.2.90.0050.00319.20
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0040.00418.16
8.2.50.0060.00318.10
8.2.40.0060.00519.46
8.2.30.0100.00019.96
8.2.20.0070.00017.73
8.2.10.0040.00418.05
8.2.00.0040.00417.93
8.1.270.0000.00920.45
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0110.00021.06
8.1.230.0070.00317.82
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0100.00017.36
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0050.00318.55
8.1.160.0000.00823.66
8.1.150.0060.00318.86
8.1.140.0030.00617.49
8.1.130.0070.00017.69
8.1.120.0000.00717.42
8.1.110.0070.00017.43
8.1.100.0000.00717.49
8.1.90.0070.00017.31
8.1.80.0070.00017.44
8.1.70.0000.00717.33
8.1.60.0000.00817.48
8.1.50.0000.00817.48
8.1.40.0040.00417.54
8.1.30.0000.00817.65
8.1.20.0000.00817.64
8.1.10.0000.00717.43
8.1.00.0050.00317.50
8.0.300.0030.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.51
8.0.270.0070.00017.30
8.0.260.0000.00617.24
8.0.250.0040.00416.91
8.0.240.0000.00817.02
8.0.230.0040.00416.86
8.0.220.0070.00016.84
8.0.210.0040.00416.76
8.0.200.0030.00316.83
8.0.190.0060.00316.84
8.0.180.0040.00416.86
8.0.170.0000.00716.93
8.0.160.0030.00316.80
8.0.150.0020.00516.95
8.0.140.0040.00416.77
8.0.130.0030.00313.35
8.0.120.0000.00816.88
8.0.110.0050.00216.87
8.0.100.0070.00016.79
8.0.90.0030.00516.71
8.0.80.0100.00716.93
8.0.70.0000.00816.78
8.0.60.0040.00416.84
8.0.50.0040.00416.74
8.0.30.0110.00717.14
8.0.20.0050.01317.40
8.0.10.0040.00417.07
8.0.00.0100.00816.89
7.4.330.0020.00215.14
7.4.320.0060.00016.55
7.4.300.0000.00616.55
7.4.290.0070.00016.36
7.4.280.0080.00016.49
7.4.270.0000.00716.50
7.4.260.0030.00316.61
7.4.250.0040.00416.48
7.4.240.0040.00416.58
7.4.230.0030.00316.70
7.4.220.0040.01516.47
7.4.210.0030.01216.55
7.4.200.0070.00016.35
7.4.160.0090.00616.62
7.4.150.0180.00617.40
7.4.140.0050.01717.86
7.4.130.0110.00816.40
7.4.120.0120.00616.57
7.4.110.0140.00316.60
7.4.100.0120.01416.26
7.4.90.0060.01216.48
7.4.80.0040.01819.39
7.4.70.0050.01016.27
7.4.60.0130.00316.49
7.4.50.0040.00416.41
7.4.40.0060.01116.52
7.4.30.0090.01316.53
7.4.00.0090.00914.94
7.3.330.0040.00412.92
7.3.320.0000.00512.95
7.3.310.0030.00316.23
7.3.300.0040.00416.06
7.3.290.0090.00716.14
7.3.280.0090.00816.25
7.3.270.0110.00717.40
7.3.260.0030.01416.45
7.3.250.0110.00616.44
7.3.240.0060.01216.27
7.3.230.0060.01616.39
7.3.210.0070.01316.27
7.3.200.0100.01319.39
7.3.190.0100.00616.38
7.3.180.0030.01316.21
7.3.170.0140.00316.53
7.3.160.0080.00816.18
7.3.120.0050.00814.39
7.3.110.0060.01214.67
7.3.100.0150.00014.57
7.3.90.0070.00714.71
7.3.80.0060.00314.82
7.3.70.0060.00314.57
7.3.60.0040.01114.64
7.3.50.0030.00614.82
7.3.40.0090.00614.72
7.3.30.0130.00314.64
7.3.20.0050.00516.65
7.3.10.0100.00616.45
7.3.00.0090.00616.70
7.2.330.0090.01216.66
7.2.320.0060.01816.66
7.2.310.0130.00416.69
7.2.300.0040.02016.55
7.2.290.0070.01016.39
7.2.250.0060.01214.89
7.2.240.0090.00914.83
7.2.230.0060.00615.14
7.2.220.0000.01514.92
7.2.210.0060.00614.82
7.2.200.0000.01814.90
7.2.190.0030.01015.04
7.2.180.0090.00614.71
7.2.170.0040.01515.01
7.2.160.0100.00314.94
7.2.150.0040.01016.87
7.2.140.0070.00716.90
7.2.130.0120.00416.71
7.2.120.0030.00616.95
7.2.110.0080.00816.82
7.2.100.0080.00516.94
7.2.90.0060.00917.04
7.2.80.0090.00916.63
7.2.70.0070.00716.69
7.2.60.0050.01016.61
7.2.50.0080.00416.74
7.2.40.0110.00416.77
7.2.30.0100.00716.69
7.2.20.0030.00916.91
7.2.10.0060.00916.73
7.2.00.0040.00718.16
7.1.330.0000.01415.58
7.1.320.0090.00615.80
7.1.310.0070.01015.88
7.1.300.0100.00315.45
7.1.290.0080.00315.88
7.1.280.0060.00915.73
7.1.270.0060.00615.54
7.1.260.0000.00915.64
7.1.250.0090.00015.73
7.1.240.0030.01015.81
7.1.230.0000.01315.60
7.1.220.0030.00515.41
7.1.210.0100.00015.63
7.1.200.0030.01015.55
7.1.190.0070.00315.68
7.1.180.0120.00015.83
7.1.170.0100.00315.82
7.1.160.0040.01115.57
7.1.150.0080.00615.72
7.1.140.0060.00615.65
7.1.130.0080.00615.66
7.1.120.0110.00315.76
7.1.110.0030.01015.82
7.1.100.0070.00616.65
7.1.90.0000.01215.86
7.1.80.0060.00915.80
7.1.70.0050.00616.23
7.1.60.0050.01517.31
7.1.50.0170.01025.27
7.1.40.0030.01115.89
7.1.30.0080.00615.48
7.1.20.0040.01115.63
7.1.10.0110.00315.79
7.1.00.0010.02919.08
7.0.330.0070.00715.34
7.0.320.0040.00415.06
7.0.310.0080.00315.33
7.0.300.0060.00815.10
7.0.290.0060.00915.14
7.0.280.0060.00314.98
7.0.270.0100.00315.52
7.0.260.0030.01015.22
7.0.250.0070.00715.14
7.0.240.0000.00915.50
7.0.230.0060.00915.34
7.0.220.0040.01415.45
7.0.210.0060.00915.32
7.0.200.0130.00715.93
7.0.190.0030.01215.34
7.0.180.0040.01115.35
7.0.170.0090.00815.30
7.0.160.0070.00415.32
7.0.150.0040.00715.22
7.0.140.0080.00415.50
7.0.130.0030.01015.34
7.0.120.0000.01215.39
7.0.110.0000.01115.45
7.0.100.0110.00414.99
7.0.90.0040.00715.16
7.0.80.0040.00715.50
7.0.70.0030.00615.50
7.0.60.0050.04517.70
7.0.50.0070.02016.53
7.0.40.0020.03516.80
7.0.30.0150.02916.73
7.0.20.0100.02816.63
7.0.10.0060.03416.79
7.0.00.0070.03416.64
5.6.400.0030.01314.30
5.6.390.0030.00614.11
5.6.380.0000.01014.41
5.6.370.0040.01114.04
5.6.360.0030.00713.90
5.6.350.0030.01314.46
5.6.340.0080.00513.82
5.6.330.0030.00614.50
5.6.320.0140.00413.88
5.6.310.0070.01114.28
5.6.300.0060.00914.40
5.6.290.0040.01114.38
5.6.280.0020.02417.63
5.6.270.0070.00414.14
5.6.260.0030.01214.20
5.6.250.0070.00714.32
5.6.240.0100.00314.33
5.6.230.0030.00614.29
5.6.220.0060.00914.06
5.6.210.0100.04517.25
5.6.200.0100.01816.18
5.6.190.0030.05117.34
5.6.180.1980.01817.25
5.6.170.0150.04417.36
5.6.160.0050.04217.30
5.6.150.0090.03716.38
5.6.140.0030.02516.16
5.6.130.0060.04116.19
5.6.120.0040.04517.75
5.6.110.0030.02817.57
5.6.100.0040.03417.50
5.6.90.0130.04017.72
5.6.80.0050.04417.25
5.6.70.2200.02717.17
5.6.60.0120.00314.05
5.6.50.0060.00914.13
5.6.40.0040.01114.32
5.6.30.0070.00714.39
5.6.20.0090.00314.04
5.6.10.0100.00614.08
5.6.00.0030.00914.18
5.5.380.0100.00614.08
5.5.370.0080.00414.20
5.5.360.0070.00313.78
5.5.350.0140.04317.28
5.5.340.0030.03716.15
5.5.330.0000.03117.27
5.5.320.1600.02317.16
5.5.310.0120.02417.39
5.5.300.0050.04116.14
5.5.290.0100.04316.06
5.5.280.0040.04617.64
5.5.270.0060.02117.26
5.5.260.0060.04317.42
5.5.250.0080.02217.32
5.5.240.0180.03517.05
5.5.230.0040.00414.06
5.5.220.0030.00713.95
5.5.210.0030.01014.05
5.5.200.0030.01013.70
5.5.190.0120.00314.23
5.5.180.0030.00713.82
5.5.170.0060.00913.63
5.5.160.0030.01013.93
5.5.150.0080.00414.09
5.5.140.0050.00813.85
5.5.130.0000.01114.27
5.5.120.0030.00814.25
5.5.110.0000.00914.16
5.5.100.0040.01113.96
5.5.90.0040.00413.91
5.5.80.0060.00314.04
5.5.70.0070.00714.13
5.5.60.0090.00414.11
5.5.50.0000.01314.23
5.5.40.0090.00614.21
5.5.30.0090.00914.25
5.5.20.0070.00713.69
5.5.10.0070.00714.01
5.5.00.0000.01513.62
5.4.450.0400.03415.25
5.4.440.0490.03015.24
5.4.430.0450.03114.95
5.4.420.0330.03415.30
5.4.410.0320.03215.07
5.4.400.0410.03015.05
5.4.390.0370.03215.08
5.4.380.0450.04114.87
5.4.370.0320.03315.04
5.4.360.0600.02515.20
5.4.350.0280.04014.91
5.4.340.0200.03214.94
5.4.330.0090.00310.57
5.4.320.0080.03515.02
5.4.310.0280.02614.97
5.4.300.0290.03514.83
5.4.290.0100.03814.98
5.4.280.0180.03414.78
5.4.270.0320.03814.85
5.4.260.0320.02714.72
5.4.250.0130.03714.91
5.4.240.0190.03514.95
5.4.230.0120.03515.15
5.4.220.0450.03514.88
5.4.210.0440.03514.91
5.4.200.0370.03813.63
5.4.190.0460.03714.97
5.4.180.0600.04014.91
5.4.170.0370.03514.90
5.4.160.0420.03915.10
5.4.150.0320.03515.04
5.4.140.0350.03813.60
5.4.130.0400.03413.57
5.4.120.0300.03713.73
5.4.110.0340.03013.61
5.4.100.0420.03013.62
5.4.90.0280.03513.65
5.4.80.0330.02713.68
5.4.70.0150.03213.74
5.4.60.0120.01713.69
5.4.50.0030.03713.47
5.4.40.0210.02513.51
5.4.30.0130.02013.71
5.4.20.0130.04013.60
5.4.10.0090.00310.86
5.4.00.0030.00511.03

preferences:
40.95 ms | 400 KiB | 5 Q