3v4l.org

run code in 300+ PHP versions simultaneously
<?php function format_number($n) { $str = number_format($number, 4, '.', ''); $str = preg_replace('/(?<\.\d{2})0+$/', '', $str); } var_dump(format_number(4.0)); var_dump(format_number(4.5)); var_dump(format_number(4.454)); var_dump(format_number(4.54545454)); var_dump(format_number(4.450));

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)
8.3.60.0040.01118.54
8.3.50.0260.00621.08
8.3.40.0120.00618.74
8.3.30.0130.00320.25
8.3.20.0080.00020.58
8.3.10.0080.00021.02
8.3.00.0040.00423.39
8.2.180.0090.01216.75
8.2.170.0100.01022.96
8.2.160.0100.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00421.04
8.2.110.0100.00019.27
8.2.100.0080.00417.91
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0040.00419.38
8.2.20.0040.00417.74
8.2.10.0040.00417.62
8.2.00.0040.00417.70
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0040.00820.93
8.1.220.0060.00318.77
8.1.210.0050.00319.02
8.1.200.0030.00717.35
8.1.190.0070.00017.41
8.1.180.0080.00018.10
8.1.170.0040.00418.30
8.1.160.0030.00318.74
8.1.150.0030.00918.58
8.1.140.0070.00017.45
8.1.130.0030.00317.74
8.1.120.0040.00417.31
8.1.110.0030.00517.30
8.1.100.0040.00417.30
8.1.90.0030.00317.35
8.1.80.0030.00417.40
8.1.70.0030.00317.39
8.1.60.0000.00817.57
8.1.50.0050.00317.48
8.1.40.0030.00517.41
8.1.30.0000.00817.66
8.1.20.0050.00317.70
8.1.10.0040.00417.35
8.1.00.0080.00017.29
8.0.300.0000.00819.73
8.0.290.0000.00717.04
8.0.280.0030.00318.39
8.0.270.0040.00417.20
8.0.260.0000.00716.82
8.0.250.0030.00316.90
8.0.240.0030.00616.90
8.0.230.0030.00316.78
8.0.220.0030.00316.94
8.0.210.0040.00416.87
8.0.200.0000.00616.96
8.0.190.0000.00717.00
8.0.180.0070.00016.93
8.0.170.0040.00416.93
8.0.160.0070.00016.84
8.0.150.0000.00716.86
8.0.140.0100.00016.86
8.0.130.0000.00513.33
8.0.120.0000.00816.96
8.0.110.0040.00416.82
8.0.100.0040.00416.85
8.0.90.0040.00416.86
8.0.80.0120.00316.91
8.0.70.0040.00416.93
8.0.60.0000.00816.94
8.0.50.0000.00816.98
8.0.30.0140.00517.11
8.0.20.0100.01317.40
8.0.10.0000.00716.88
8.0.00.0090.01116.84
7.4.330.0000.00616.90
7.4.320.0070.00016.61
7.4.300.0000.00616.49
7.4.290.0030.00316.62
7.4.280.0030.00316.66
7.4.270.0040.00416.67
7.4.260.0030.00313.29
7.4.250.0080.00016.58
7.4.240.0070.00016.63
7.4.230.0030.00316.73
7.4.220.0070.01016.52
7.4.210.0070.00816.56
7.4.200.0030.00316.56
7.4.190.0050.00216.61
7.4.160.0040.01216.44
7.4.150.0150.00317.40
7.4.140.0120.00717.86
7.4.130.0070.01116.61
7.4.120.0100.00616.44
7.4.110.0090.00916.52
7.4.100.0120.00916.61
7.4.90.0140.01016.48
7.4.80.0140.00319.39
7.4.70.0100.00716.57
7.4.60.0110.00716.42
7.4.50.0060.00016.34
7.4.40.0110.00722.77
7.4.30.0210.00016.26
7.4.00.0000.01815.07
7.3.330.0040.00413.32
7.3.320.0030.00313.33
7.3.310.0070.00016.44
7.3.300.0000.00816.57
7.3.290.0090.00616.55
7.3.280.0080.00916.47
7.3.270.0130.00717.40
7.3.260.0120.00718.24
7.3.250.0080.00916.59
7.3.240.0120.00416.46
7.3.230.0100.00716.40
7.3.210.0130.00716.46
7.3.200.0130.00419.39
7.3.190.0040.01816.50
7.3.180.0030.01416.41
7.3.170.0070.01016.40
7.3.160.0120.00416.48
7.3.120.0100.00714.94
7.2.330.0120.00616.57
7.2.320.0040.01816.73
7.2.310.0130.01016.60
7.2.300.0110.00616.68
7.2.290.0090.01216.58
7.2.60.0070.00716.53
7.2.00.0060.00919.60
7.1.200.0070.00715.82
7.1.100.0040.00818.21
7.1.70.0090.00317.19
7.1.60.0030.02119.17
7.1.50.0030.00717.07
7.1.00.0070.03722.72
7.0.200.0000.00716.45
7.0.140.0000.07722.36
7.0.70.0070.07721.84
7.0.60.0070.08321.95
7.0.50.0100.08022.24
7.0.40.0030.05020.19
7.0.30.0030.08320.29
7.0.20.0000.08320.32
7.0.10.0030.05720.19
7.0.00.0070.07020.29
5.6.280.0100.06721.02
5.6.220.0030.09020.73
5.6.210.0070.08020.84
5.6.200.0000.09321.20
5.6.190.0030.08721.18
5.6.180.0030.07021.23
5.6.170.0070.08021.26
5.6.160.0100.06721.23
5.6.150.0000.06721.18
5.6.140.0030.05321.16
5.6.130.0070.06721.20
5.6.120.0070.05721.22
5.6.110.0030.08321.26
5.6.100.0070.05721.25
5.6.90.0070.08321.22
5.6.80.0030.08320.64
5.6.70.0030.06320.55
5.6.60.0030.07020.48
5.6.50.0030.08320.70
5.6.40.0030.05320.48
5.6.30.0030.07720.63
5.6.20.0030.07720.48
5.6.10.0070.06020.48
5.6.00.0030.08020.66
5.5.360.0100.06720.68
5.5.350.0000.07320.62
5.5.340.0030.05020.99
5.5.330.0100.05320.89
5.5.320.0070.08320.97
5.5.310.0000.06720.89
5.5.300.0030.04321.01
5.5.290.0070.08320.90
5.5.280.0070.04720.97
5.5.270.0000.09020.82
5.5.260.0100.08020.92
5.5.250.0100.07320.80
5.5.240.0030.07020.46
5.5.230.0100.08020.42
5.5.220.0030.08020.42
5.5.210.0130.07020.43
5.5.200.0000.08020.33
5.5.190.0070.06020.43
5.5.180.0030.05020.28
5.5.160.0100.05320.43
5.5.150.0030.08020.42
5.5.140.0000.08020.32
5.5.130.0070.07720.36
5.5.120.0030.08020.17
5.5.110.0030.05720.27
5.5.100.0030.07720.23
5.5.90.0030.07720.23
5.5.80.0130.07020.30
5.5.70.0070.07720.12
5.5.60.0100.05020.13
5.5.50.0030.04320.32
5.5.40.0070.04720.15
5.5.30.0100.07020.27
5.5.20.0070.07720.30
5.5.10.0100.08020.18
5.5.00.0000.08320.24
5.4.450.0100.06719.47
5.4.440.0000.07319.30
5.4.430.0100.07719.55
5.4.420.0070.08019.41
5.4.410.0100.07019.41
5.4.400.0030.06719.01
5.4.390.0100.04319.20
5.4.380.0030.07719.39
5.4.370.0030.08019.19
5.4.360.0000.08019.23
5.4.350.0100.06019.14
5.4.340.0070.08019.30
5.4.320.0070.04719.23
5.4.310.0070.06019.39
5.4.300.0070.07319.29
5.4.290.0100.07019.14
5.4.280.0000.08319.09
5.4.270.0000.08319.23
5.4.260.0000.04719.26
5.4.250.0100.05319.20
5.4.240.0000.07719.39
5.4.230.0100.07019.26
5.4.220.0000.05719.09
5.4.210.0030.03719.27
5.4.200.0070.07019.20
5.4.190.0030.06719.29
5.4.180.0030.06019.01
5.4.170.0030.05719.28
5.4.160.0030.08319.23
5.4.150.0030.06319.27
5.4.140.0100.07016.57
5.4.130.0070.07016.59
5.4.120.0030.06316.48
5.4.110.0000.08016.61
5.4.100.0070.05316.61
5.4.90.0030.06716.65
5.4.80.0070.07316.64
5.4.70.0000.07716.62
5.4.60.0030.03716.59
5.4.50.0000.08016.45
5.4.40.0000.07716.64
5.4.30.0000.06316.55
5.4.20.0070.05316.54
5.4.10.0030.07316.60
5.4.00.0000.06715.97
5.3.290.0030.08014.87
5.3.280.0030.06714.68
5.3.270.0000.08014.81
5.3.260.0000.07314.68
5.3.250.0030.07314.68
5.3.240.0030.08014.79
5.3.230.0030.08014.79
5.3.220.0030.05314.65
5.3.210.0030.08014.68
5.3.200.0070.05314.70
5.3.190.0030.07314.79
5.3.180.0070.06014.79
5.3.170.0030.06714.78
5.3.160.0000.05014.64
5.3.150.0030.05014.68
5.3.140.0070.07314.75
5.3.130.0000.06314.75
5.3.120.0000.08714.64
5.3.110.0070.03714.65
5.3.100.0070.07714.20
5.3.90.0000.07014.24
5.3.80.0030.05314.14
5.3.70.0100.06014.21
5.3.60.0100.06714.13
5.3.50.0100.06314.02
5.3.40.0070.08714.16
5.3.30.0030.03314.10
5.3.20.0030.07313.80
5.3.10.0000.07313.85
5.3.00.0030.07313.83
5.2.170.0000.05311.39
5.2.160.0100.03711.38
5.2.150.0070.04011.36
5.2.140.0030.06011.31
5.2.130.0030.06011.42
5.2.120.0030.03711.33
5.2.110.0000.06311.11
5.2.100.0000.04311.10
5.2.90.0030.06311.23
5.2.80.0070.05711.22
5.2.70.0000.04311.22
5.2.60.0000.03011.29
5.2.50.0000.03011.03
5.2.40.0030.03311.07
5.2.30.0000.03011.13
5.2.20.0070.02311.21
5.2.10.0000.03011.11
5.2.00.0030.02711.01
5.1.60.0000.02311.01
5.1.50.0000.02311.01
5.1.40.0030.02311.01
5.1.30.0000.02711.01
5.1.20.0000.03011.01
5.1.10.0000.02711.01
5.1.00.0030.02311.01
5.0.50.0030.01711.01
5.0.40.0000.03011.01
5.0.30.0000.03711.01
5.0.20.0070.01311.01
5.0.10.0030.01711.01
5.0.00.0000.04311.01
4.4.90.0000.01711.01
4.4.80.0000.01311.01
4.4.70.0000.01311.01
4.4.60.0000.01711.01
4.4.50.0000.01711.01
4.4.40.0000.02311.01
4.4.30.0000.01711.01
4.4.20.0000.02711.01
4.4.10.0030.01311.01
4.4.00.0000.02711.01
4.3.110.0030.01311.01
4.3.100.0000.01311.01
4.3.90.0030.01311.01
4.3.80.0000.02311.01
4.3.70.0000.01711.01
4.3.60.0030.02711.01
4.3.50.0000.01711.01
4.3.40.0000.02311.01
4.3.30.0000.01711.01
4.3.20.0030.01311.01
4.3.10.0000.01711.01
4.3.00.0000.01711.01

preferences:
50.51 ms | 401 KiB | 5 Q