3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 0 - 0.000000000000000000000000000000001; var_dump($n); // float(-1.0E-33) var_dump(round($n)); // float(-0) var_dump(abs($n)); // float(1.0E-33) var_dump(abs(round($n))); // float(0) var_dump(round($n) == 0); // bool(true) var_dump(round($n) === 0); // bool(false)

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)
8.3.60.0140.00318.43
8.3.50.0120.00317.28
8.3.40.0060.01118.80
8.3.30.0170.00018.61
8.3.20.0030.01218.77
8.3.10.0080.00020.53
8.3.00.0050.00317.75
8.2.180.0120.00916.75
8.2.170.0100.00722.96
8.2.160.0070.00720.70
8.2.150.0050.00224.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00020.14
8.2.110.0070.00421.32
8.2.100.0080.00418.03
8.2.90.0040.00419.47
8.2.80.0060.00318.05
8.2.70.0060.00317.88
8.2.60.0050.00317.91
8.2.50.0080.00018.07
8.2.40.0040.00419.94
8.2.30.0040.00418.11
8.2.20.0030.00517.76
8.2.10.0050.00517.76
8.2.00.0040.00417.85
8.1.280.0150.00625.92
8.1.270.0050.00324.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00422.73
8.1.230.0080.00421.09
8.1.220.0050.00318.77
8.1.210.0040.00419.22
8.1.200.0090.00017.37
8.1.190.0040.00417.66
8.1.180.0040.00418.10
8.1.170.0000.00818.72
8.1.160.0000.00718.95
8.1.150.0040.00418.82
8.1.140.0040.00417.66
8.1.130.0030.00318.01
8.1.120.0040.00417.67
8.1.110.0020.00517.64
8.1.100.0000.00717.69
8.1.90.0000.00717.70
8.1.80.0050.00317.70
8.1.70.0040.00417.59
8.1.60.0000.00917.65
8.1.50.0040.00417.65
8.1.40.0040.00417.61
8.1.30.0000.00817.82
8.1.20.0000.00817.75
8.1.10.0040.00417.75
8.1.00.0050.00217.56
8.0.300.0070.00019.99
8.0.290.0040.00416.75
8.0.280.0070.00018.57
8.0.270.0030.00317.39
8.0.260.0000.00816.98
8.0.250.0040.00416.96
8.0.240.0030.00716.97
8.0.230.0000.00717.03
8.0.220.0000.00717.00
8.0.210.0030.00316.92
8.0.200.0030.00317.05
8.0.190.0070.00017.10
8.0.180.0040.00417.08
8.0.170.0000.00916.95
8.0.160.0000.00717.13
8.0.150.0070.00016.97
8.0.140.0030.00616.98
8.0.130.0000.00513.40
8.0.120.0060.00316.99
8.0.110.0000.00817.14
8.0.100.0000.00717.13
8.0.90.0070.00016.87
8.0.80.0100.01017.02
8.0.70.0070.00016.97
8.0.60.0030.00417.08
8.0.50.0070.00017.10
8.0.30.0090.01017.13
8.0.20.0110.00717.08
8.0.10.0030.00517.06
8.0.00.0060.01217.01
7.4.330.0000.00513.16
7.4.320.0030.00316.68
7.4.300.0060.00016.70
7.4.290.0040.00416.73
7.4.280.0000.00916.68
7.4.270.0070.00016.70
7.4.260.0030.00313.48
7.4.250.0040.00416.73
7.4.240.0000.00716.79
7.4.230.0070.00016.67
7.4.220.0130.01016.76
7.4.210.0090.00916.74
7.4.200.0070.00016.50
7.4.190.0040.00416.59
7.4.160.0100.00616.59
7.4.150.0130.00916.64
7.4.140.0190.00316.69
7.4.130.0080.00916.75
7.4.120.0100.00616.68
7.4.110.0140.01116.65
7.4.100.0110.00616.60
7.4.90.0110.00616.52
7.4.80.0160.00616.75
7.4.70.0110.00616.57
7.4.60.0110.00516.64
7.4.50.0060.00016.57
7.4.40.0070.00716.67
7.4.30.0080.00816.59
7.4.00.0070.00715.08
7.3.330.0000.00613.24
7.3.320.0000.00613.32
7.3.310.0000.00716.43
7.3.300.0000.00716.42
7.3.290.0070.00716.41
7.3.280.0050.01116.41
7.3.270.0160.00016.39
7.3.260.0130.00816.47
7.3.250.0120.00816.48
7.3.240.0060.01116.43
7.3.230.0050.01916.44
7.3.210.0120.00416.33
7.3.200.0090.01219.39
7.3.190.0120.01116.50
7.3.180.0040.01116.60
7.3.170.0140.00716.30
7.3.160.0030.01216.50
7.3.120.0070.00915.01
7.3.110.0090.00515.19
7.3.100.0070.00715.23
7.3.90.0070.00714.76
7.3.80.0060.00315.21
7.3.70.0060.00615.21
7.3.60.0000.01214.98
7.3.50.0000.01415.28
7.3.40.0110.00314.98
7.3.30.0030.00615.11
7.3.20.0070.01016.91
7.3.10.0030.01216.91
7.3.00.0030.00916.99
7.2.330.0060.01316.74
7.2.320.0140.00716.75
7.2.310.0120.01016.71
7.2.300.0080.00816.36
7.2.290.0140.00316.59
7.2.250.0100.01015.15
7.2.240.0070.01315.43
7.2.230.0000.01915.36
7.2.220.0030.01015.28
7.2.210.0000.01615.35
7.2.200.0030.00915.16
7.2.190.0030.01015.18
7.2.180.0030.01215.16
7.2.170.0070.01115.27
7.2.130.0030.00617.11
7.2.120.0060.00616.89
7.2.110.0030.01017.11
7.2.100.0040.00417.16
7.2.90.0000.00817.33
7.2.80.0060.00416.85
7.2.70.0000.01217.34
7.2.60.0050.00917.16
7.2.50.0090.00617.14
7.2.40.0060.00317.07
7.2.30.0030.01217.16
7.2.20.0060.00817.18
7.2.10.0070.00417.10
7.2.00.0070.00717.31
7.1.330.0030.01015.93
7.1.320.0060.00615.93
7.1.310.0090.00916.14
7.1.300.0070.00415.79
7.1.290.0090.00915.88
7.1.280.0040.00415.86
7.1.270.0000.01115.95
7.1.260.0090.00615.91
7.1.250.0070.00415.98
7.1.240.0120.00315.93
7.1.230.0070.00715.89
7.1.220.0090.00015.70
7.1.210.0070.00015.65
7.1.200.0030.01016.03
7.1.190.0070.00015.99
7.1.180.0000.01115.98
7.1.170.0070.00716.04
7.1.160.0060.00316.20
7.1.150.0090.00315.98
7.1.140.0060.00615.94
7.1.130.0070.00716.20
7.1.120.0060.00316.16
7.1.110.0000.01115.68
7.1.100.0060.00616.09
7.1.90.0100.00616.10
7.1.80.0040.01116.21
7.1.70.0040.00716.43
7.1.60.0100.00917.75
7.1.50.0090.01116.67
7.1.40.0090.00316.07
7.1.30.0030.00716.20
7.1.20.0060.00816.06
7.1.10.0000.01316.19
7.1.00.0080.03719.44
7.0.330.0000.01215.32
7.0.320.0090.00615.70
7.0.310.0040.00415.63
7.0.300.0050.00515.62
7.0.290.0030.00915.41
7.0.280.0090.00315.55
7.0.270.0030.00615.80
7.0.260.0100.00015.58
7.0.250.0040.00715.65
7.0.240.0030.00715.54
7.0.230.0030.00915.41
7.0.220.0030.00615.36
7.0.210.0000.00715.55
7.0.200.0040.00816.31
7.0.190.0050.00515.84
7.0.180.0040.01115.74
7.0.170.0100.00315.64
7.0.160.0000.00715.63
7.0.150.0000.01115.95
7.0.140.0000.04419.07
7.0.130.0040.00715.75
7.0.120.0110.03319.06
7.0.110.0030.00616.00
7.0.100.0100.00315.58
7.0.90.0030.00715.63
7.0.80.0000.01115.70
7.0.70.0070.00715.75
7.0.60.0090.04017.91
7.0.50.0020.03716.93
7.0.40.0050.02617.18
7.0.30.0100.02417.07
7.0.20.0150.03616.99
7.0.10.0120.02717.06
7.0.00.0070.04417.12
5.6.380.0060.00914.41
5.6.370.0030.00914.89
5.6.360.0030.00514.85
5.6.350.0040.00414.46
5.6.340.0080.00414.48
5.6.330.0000.01114.20
5.6.320.0100.00314.71
5.6.310.0100.00314.49
5.6.300.0030.01314.66
5.6.290.0070.00414.58
5.6.280.0010.04018.12
5.6.270.0000.01414.50
5.6.260.0090.00314.60
5.6.250.0030.00914.85
5.6.240.0000.01114.66
5.6.230.0080.00314.67
5.6.220.0000.01214.43
5.6.210.0050.05017.87
5.6.200.0050.04716.52
5.6.190.0100.03017.57
5.6.180.0120.02617.68
5.6.170.0150.04817.57
5.6.160.0060.03317.67
5.6.150.0090.03516.47
5.6.140.0070.02016.40
5.6.130.0050.04416.50
5.6.120.0100.03018.04
5.6.110.0060.04417.83
5.6.100.0050.02618.00
5.6.90.0040.02818.00
5.6.80.0100.04317.67
5.6.70.1390.02317.69
5.6.60.0120.00414.49
5.6.50.0040.01114.31
5.6.40.0090.00314.54
5.6.30.0030.00814.57
5.6.20.0090.00314.27
5.6.10.0070.00314.70
5.6.00.0070.00714.52
5.5.380.0070.00311.04
5.5.370.0030.00711.00
5.5.360.0060.00011.12
5.5.350.0200.04116.06
5.5.340.0060.03314.61
5.5.330.0080.02215.99
5.5.320.0120.03515.98
5.5.310.0210.03716.00
5.5.300.0060.03014.60
5.5.290.0050.04414.76
5.5.280.0050.04316.22
5.5.270.0050.03216.18
5.5.260.0080.02516.30
5.5.250.0030.04116.07
5.5.240.0100.03515.98
5.5.230.0060.00311.05
5.5.220.0030.00311.00
5.5.210.0060.00611.12
5.5.200.0030.00311.13
5.5.190.0030.00711.00
5.5.180.0000.00811.09
5.5.170.0030.00611.04
5.5.160.0000.00811.00
5.5.150.0030.00611.27
5.5.140.0000.00811.25
5.5.130.0070.00011.00
5.5.120.0040.00411.19
5.5.110.0030.00511.12
5.5.100.0070.00311.00
5.5.90.0050.00311.00
5.5.80.0060.00611.16
5.5.70.0060.00311.00
5.5.60.0000.01211.04
5.5.50.0000.00811.00
5.5.40.0040.00711.15
5.5.30.0070.00311.19
5.5.20.0110.00011.04
5.5.10.0030.00311.00
5.5.00.0080.00311.19
5.4.450.0020.04715.34
5.4.440.0050.02715.36
5.4.430.0030.03015.48
5.4.420.0050.03215.55
5.4.410.0030.02715.58
5.4.400.0080.03815.13
5.4.390.0050.04415.17
5.4.380.0130.03515.22
5.4.370.0070.04015.19
5.4.360.0070.04015.26
5.4.350.0050.03715.07
5.4.340.0050.02115.02
5.4.330.0030.00611.00
5.4.320.0020.02515.11
5.4.310.0020.02915.28
5.4.300.0040.02415.02
5.4.290.0080.02115.26
5.4.280.0050.02815.19
5.4.270.0050.02715.23
5.4.260.0060.03315.21
5.4.250.0100.03715.24
5.4.240.0050.03315.13
5.4.230.0080.03815.15
5.4.220.0030.03715.04
5.4.210.0080.02215.22
5.4.200.0020.02415.11
5.4.190.0050.03215.29
5.4.180.0090.03415.32
5.4.170.0060.02315.24
5.4.160.0030.02615.01
5.4.150.0110.03615.08
5.4.140.0050.04213.78
5.4.130.0020.02213.87
5.4.120.0070.02013.97
5.4.110.0020.02613.97
5.4.100.0030.04013.74
5.4.90.0050.03713.87
5.4.80.0060.02713.99
5.4.70.0020.04013.93
5.4.60.0080.02313.93
5.4.50.0050.03813.76
5.4.40.0040.04313.88
5.4.30.0070.02313.80
5.4.20.0050.02813.89
5.4.10.0040.04013.81
5.4.00.0060.03713.57
5.3.290.0000.02712.93
5.3.280.0050.04012.91
5.3.270.0070.02012.84
5.3.260.0020.03912.98
5.3.250.0050.02212.92
5.3.240.0050.04212.86
5.3.230.0040.03512.93
5.3.220.0060.02612.85
5.3.210.0070.03512.84
5.3.200.0100.02512.89
5.3.190.0100.03812.85
5.3.180.0050.02712.89
5.3.170.0050.03912.89
5.3.160.0080.03712.88
5.3.150.0090.03712.95
5.3.140.0050.03512.84
5.3.130.0020.02212.83
5.3.120.0070.04012.89
5.3.110.0080.03112.81
5.3.100.0100.03812.61
5.3.90.0050.04312.57
5.3.80.0030.02712.55
5.3.70.0100.01812.61
5.3.60.0050.02612.62
5.3.50.0080.02512.55
5.3.40.0060.01812.53
5.3.30.0020.03012.52
5.3.20.0050.04112.45
5.3.10.0080.03112.44
5.3.00.0050.03512.45
5.2.170.0020.01711.16
5.2.160.0070.01511.10
5.2.150.0070.01611.21
5.2.140.0020.02111.08
5.2.130.0050.03111.10
5.2.120.0000.03711.08
5.2.110.0050.02711.09
5.2.100.0050.03311.06
5.2.90.0070.03011.15
5.2.80.0050.03011.09
5.2.70.0020.02111.13
5.2.60.0050.01611.05
5.2.50.0000.02411.15
5.2.40.0020.03811.06
5.2.30.0030.02911.05
5.2.20.0040.03111.07
5.2.10.0040.02811.05
5.2.00.0030.03510.91
5.1.60.0040.02910.53
5.1.50.0060.02710.54
5.1.40.0090.01710.55
5.1.30.0080.01810.81
5.1.20.0050.02810.79
5.1.10.0080.01010.60
5.1.00.0080.02810.49
5.0.50.0020.0159.76
5.0.40.0010.0139.76
5.0.30.0030.0229.73
5.0.20.0060.0209.62
5.0.10.0000.0219.63
5.0.00.0020.0229.71
4.4.90.0030.0089.59
4.4.80.0010.0229.59
4.4.70.0020.0209.59
4.4.60.0000.0199.59
4.4.50.0020.0159.59
4.4.40.0050.0139.59
4.4.30.0000.0249.59
4.4.20.0030.0129.59
4.4.10.0050.0169.59
4.4.00.0010.0149.59
4.3.110.0020.0089.59
4.3.100.0050.0139.59
4.3.90.0040.0189.59
4.3.80.0000.0299.59
4.3.70.0030.0129.59
4.3.60.0000.0219.59
4.3.50.0020.0149.59
4.3.40.0020.0199.59
4.3.30.0020.0129.59
4.3.20.0010.0159.59
4.3.10.0000.0169.59
4.3.00.0000.0189.59

preferences:
73.25 ms | 401 KiB | 5 Q