3v4l.org

run code in 300+ PHP versions simultaneously
<?php function toFraction($number){ $numerator = $number < 0 ? -1 : 1; $denominator = 0; for(; $numerator < 1000; $numerator++){ $temp = $numerator / $number; if(ceil($temp) - $temp == 0){ $denominator = $temp; break; } } return ($denominator > 0) ? $numerator . '/' . $denominator : false; } echo toFraction( -0.5);

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)
8.3.40.0100.00318.48
8.3.30.0080.00818.48
8.3.20.0080.00018.80
8.3.10.0050.00319.33
8.3.00.0070.00023.64
8.2.170.0110.00422.96
8.2.160.0030.01020.36
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.17
8.2.110.0030.00622.29
8.2.100.0080.00317.84
8.2.90.0040.00419.34
8.2.80.0030.00518.05
8.2.70.0030.00617.50
8.2.60.0000.00918.05
8.2.50.0080.00018.07
8.2.40.0070.00018.16
8.2.30.0040.00421.37
8.2.20.0040.00417.76
8.2.10.0040.00417.78
8.2.00.0030.00617.75
8.1.270.0040.00423.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0110.00023.98
8.1.230.0000.01122.23
8.1.220.0060.00318.77
8.1.210.0000.00819.09
8.1.200.0000.00817.38
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0070.00318.68
8.1.160.0090.00018.81
8.1.150.0040.00418.72
8.1.140.0080.00017.50
8.1.130.0000.00717.87
8.1.120.0000.00717.56
8.1.110.0000.00717.50
8.1.100.0040.00417.50
8.1.90.0000.00717.43
8.1.80.0080.00017.40
8.1.70.0070.00017.43
8.1.60.0060.00317.66
8.1.50.0060.00317.36
8.1.40.0000.00717.57
8.1.30.0020.00517.72
8.1.20.0030.00517.71
8.1.10.0030.00617.58
8.1.00.0030.00817.38
8.0.300.0050.00220.06
8.0.290.0050.00217.18
8.0.280.0050.00218.37
8.0.270.0050.00517.22
8.0.260.0040.00416.88
8.0.250.0030.00516.94
8.0.240.0000.00816.89
8.0.230.0000.00716.89
8.0.220.0030.00316.86
8.0.210.0030.00316.92
8.0.200.0060.00017.00
8.0.190.0030.00317.03
8.0.180.0070.00016.88
8.0.170.0000.00717.01
8.0.160.0040.00416.84
8.0.150.0020.00516.86
8.0.140.0000.00716.76
8.0.130.0030.00313.39
8.0.120.0030.00316.93
8.0.110.0000.00716.88
8.0.100.0040.00416.81
8.0.90.0040.00416.79
8.0.80.0090.00617.01
8.0.70.0040.00416.78
8.0.60.0080.00016.80
8.0.50.0070.00016.85
8.0.30.0160.00517.15
8.0.20.0170.00517.40
8.0.10.0040.00417.11
8.0.00.0060.01117.03
7.4.330.0000.00514.72
7.4.320.0000.00616.46
7.4.300.0060.00016.61
7.4.290.0070.00016.48
7.4.280.0000.00716.60
7.4.270.0030.00316.45
7.4.260.0030.00313.32
7.4.250.0040.00416.51
7.4.240.0040.00416.67
7.4.230.0030.00316.39
7.4.220.0100.00716.51
7.4.210.0090.00516.57
7.4.200.0050.00316.63
7.4.190.0040.00416.69
7.4.160.0100.00716.63
7.4.150.0060.01017.40
7.4.140.0060.01117.86
7.4.130.0080.00816.58
7.4.120.0120.00716.58
7.4.110.0040.01416.54
7.4.100.0060.01016.62
7.4.90.0100.01016.56
7.4.80.0100.00719.39
7.4.70.0100.00716.40
7.4.60.0090.00916.73
7.4.50.0040.00416.55
7.4.40.0090.00422.77
7.4.30.0100.00716.54
7.4.00.0120.00314.78
7.3.330.0000.00613.44
7.3.320.0020.00213.22
7.3.310.0030.00316.38
7.3.300.0030.00316.38
7.3.290.0100.00616.39
7.3.280.0060.00916.40
7.3.270.0060.01117.40
7.3.260.0100.01018.24
7.3.250.0080.00916.56
7.3.240.0000.01616.61
7.3.230.0090.00916.45
7.3.210.0100.00716.54
7.3.200.0150.00919.39
7.3.190.0110.01116.41
7.3.180.0140.00716.52
7.3.170.0080.01116.27
7.3.160.0060.00916.48
7.3.120.0060.00614.45
7.2.330.0120.00616.58
7.2.320.0060.01316.92
7.2.310.0060.01116.63
7.2.300.0120.00416.53
7.2.290.0160.00016.77
7.2.60.0030.01316.69
7.2.50.0080.00416.61
7.1.200.0060.00515.70
7.1.70.0000.00817.37
7.1.60.0030.02119.40
7.1.50.0090.01316.89
7.1.00.0030.03722.41
7.0.200.0030.00316.91
7.0.140.0000.07722.07
7.0.70.0000.04021.77
7.0.60.0000.04721.70
7.0.50.0030.04022.11
7.0.40.0030.04020.09
7.0.30.0030.05320.13
7.0.20.0030.05320.04
7.0.10.0030.03019.98
7.0.00.0070.03020.12
5.6.280.0030.07320.91
5.6.220.0070.03720.56
5.6.210.0000.03320.52
5.6.200.0030.03320.95
5.6.190.0000.04021.07
5.6.180.0030.03320.99
5.6.170.0000.04321.03
5.6.160.0000.03720.99
5.6.150.0000.03321.12
5.6.140.0000.04321.01
5.6.130.0000.04721.04
5.6.120.0070.03021.01
5.6.110.0030.03321.06
5.6.100.0000.04021.04
5.6.90.0000.03720.97
5.6.80.0000.03720.31
5.6.70.0070.02720.33
5.6.60.0000.03320.45
5.6.50.0070.03320.43
5.6.40.0000.03320.51
5.6.30.0000.03720.46
5.6.20.0000.03720.42
5.6.10.0070.03020.36
5.6.00.0000.03320.34
5.5.360.0000.04320.38
5.5.350.0000.03320.39
5.5.340.0070.03320.79
5.5.330.0030.04720.63
5.5.320.0000.04020.91
5.5.310.0030.04020.59
5.5.300.0000.03720.86
5.5.290.0000.03320.81
5.5.280.0000.03320.79
5.5.270.0070.03020.81
5.5.260.0070.03020.90
5.5.250.0030.03020.63
5.5.240.0030.03020.25
5.5.230.0030.03020.09
5.5.220.0000.03720.25
5.5.210.0070.03720.25
5.5.200.0000.03320.17
5.5.190.0030.03020.16
5.5.180.0000.03320.17
5.5.160.0070.03320.19
5.5.150.0030.03320.21
5.5.140.0000.08320.25
5.5.130.0000.07020.19
5.5.120.0030.06720.21
5.5.110.0030.06020.06
5.5.100.0070.07320.07
5.5.90.0070.07020.11
5.5.80.0000.07020.13
5.5.70.0070.07320.04
5.5.60.0030.06320.04
5.5.50.0070.06720.13
5.5.40.0000.07320.07
5.5.30.0030.07720.14
5.5.20.0070.07719.90
5.5.10.0030.07320.02
5.5.00.0100.06020.02
5.4.450.0000.03319.44
5.4.440.0000.03319.36
5.4.430.0030.04319.38
5.4.420.0030.03019.52
5.4.410.0000.03319.06
5.4.400.0070.03019.21
5.4.390.0000.03318.84
5.4.380.0030.02718.83
5.4.370.0030.03319.20
5.4.360.0000.03718.86
5.4.350.0000.04019.12
5.4.340.0000.03318.89
5.4.320.0000.04319.20
5.4.310.0000.03019.20
5.4.300.0000.04019.15
5.4.290.0070.07018.93
5.4.280.0030.03718.86
5.4.270.0030.03318.89
5.4.260.0030.06719.21
5.4.250.0070.07319.11
5.4.240.0130.06718.97
5.4.230.0000.05719.11
5.4.220.0030.07719.14
5.4.210.0100.07019.02
5.4.200.0100.07019.01
5.4.190.0030.04718.85
5.4.180.0100.07319.01
5.4.170.0000.06319.11
5.4.160.0070.07318.87
5.4.150.0070.06019.09
5.4.140.0070.04016.22
5.4.130.0070.06316.35
5.4.120.0030.05716.27
5.4.110.0070.07316.49
5.4.100.0100.07016.34
5.4.90.0070.06716.33
5.4.80.0030.05316.44
5.4.70.0030.06716.38
5.4.60.0000.06316.43
5.4.50.0070.07316.30
5.4.40.0070.06316.45
5.4.30.0070.04316.39
5.4.20.0030.06716.23
5.4.10.0000.07016.46
5.4.00.0000.07715.88
5.3.290.0000.03014.60
5.3.280.0030.07714.61
5.3.270.0070.07014.74
5.3.260.0000.06714.69
5.3.250.0070.07014.67
5.3.240.0070.04714.66
5.3.230.0100.06714.54
5.3.220.0000.07714.51
5.3.210.0070.07014.53
5.3.200.0030.06714.50
5.3.190.0070.06314.59
5.3.180.0000.08014.51
5.3.170.0030.07714.59
5.3.160.0000.07014.49
5.3.150.0000.07714.68
5.3.140.0030.07014.57
5.3.130.0070.05014.61
5.3.120.0070.07714.63
5.3.110.0070.07314.64
5.3.100.0070.07014.00
5.3.90.0030.06714.11
5.3.80.0030.07714.07
5.3.70.0100.07014.15
5.3.60.0000.07314.12
5.3.50.0000.07014.08
5.3.40.0030.05313.87
5.3.30.0000.07713.88
5.3.20.0030.06713.67
5.3.10.0030.07013.79
5.3.00.0070.06713.77
5.2.170.0070.05711.35
5.2.160.0000.06311.35
5.2.150.0030.06011.35
5.2.140.0000.06011.35
5.2.130.0070.05311.35
5.2.120.0030.06011.35
5.2.110.0000.06011.35
5.2.100.0000.05711.35
5.2.90.0070.06011.35
5.2.80.0000.05311.35
5.2.70.0030.06011.35
5.2.60.0070.04711.35
5.2.50.0070.06311.35
5.2.40.0000.06311.35
5.2.30.0000.06011.35
5.2.20.0030.04711.35
5.2.10.0000.06311.35
5.2.00.0000.06311.35
5.1.60.0000.05711.35
5.1.50.0070.03011.35
5.1.40.0000.05311.35
5.1.30.0000.06011.35
5.1.20.0000.04711.35
5.1.10.0030.05711.35
5.1.00.0070.05311.35
5.0.50.0030.04711.35
5.0.40.0070.03711.35
5.0.30.0070.06011.35
5.0.20.0030.03711.35
5.0.10.0030.03711.35
5.0.00.0070.04311.35
4.4.90.0030.03311.35
4.4.80.0000.03311.35
4.4.70.0000.03011.35
4.4.60.0000.02311.35
4.4.50.0000.03011.35
4.4.40.0000.05011.35
4.4.30.0030.03311.35
4.4.20.0000.02711.35
4.4.10.0000.03711.35
4.4.00.0000.05711.35
4.3.110.0000.03711.35
4.3.100.0000.03011.35
4.3.90.0070.02711.35
4.3.80.0000.04011.35
4.3.70.0000.02311.35
4.3.60.0000.03011.35
4.3.50.0030.04011.35
4.3.40.0000.04711.35
4.3.30.0000.03311.35
4.3.20.0030.03711.35
4.3.10.0000.03011.35
4.3.00.0070.03011.35

preferences:
46.65 ms | 400 KiB | 5 Q