3v4l.org

run code in 300+ PHP versions simultaneously
<?php function feeds_library_exists($file, $library) { if (TRUE && $path = libraries_get_path($library) && is_file("$path/$file")) { return TRUE; } } function libraries_get_path() { return 'path'; } feeds_library_exists($file = '', $library = '');

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)
8.3.70.0150.00016.75
8.3.60.0130.00318.41
8.3.50.0110.00721.13
8.3.40.0110.00318.79
8.3.30.0120.00319.09
8.3.20.0000.00820.42
8.3.10.0040.00421.73
8.3.00.0040.00420.88
8.2.190.0040.01416.58
8.2.180.0070.00716.63
8.2.170.0100.01022.96
8.2.160.0110.00320.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00819.36
8.2.110.0060.00322.24
8.2.100.0060.00619.70
8.2.90.0050.00317.88
8.2.80.0050.00518.78
8.2.70.0050.00317.63
8.2.60.0040.00417.88
8.2.50.0000.00918.07
8.2.40.0030.00518.28
8.2.30.0040.00418.02
8.2.20.0070.00017.82
8.2.10.0040.00418.10
8.2.00.0000.00819.97
8.1.280.0120.00625.92
8.1.270.0000.00820.13
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00023.75
8.1.230.0070.00319.23
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0050.00317.23
8.1.190.0040.00417.53
8.1.180.0030.00618.10
8.1.170.0050.00320.59
8.1.160.0000.00718.76
8.1.150.0000.00718.90
8.1.140.0000.00917.38
8.1.130.0000.00817.87
8.1.120.0000.00717.54
8.1.110.0050.00217.48
8.1.100.0030.00417.39
8.1.90.0070.00017.37
8.1.80.0080.00017.49
8.1.70.0000.00717.46
8.1.60.0040.00417.45
8.1.50.0000.00817.46
8.1.40.0030.00517.57
8.1.30.0040.00417.61
8.1.20.0030.00617.69
8.1.10.0060.00317.39
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.55
8.0.270.0040.00417.36
8.0.260.0050.00416.97
8.0.250.0000.00717.00
8.0.240.0040.00417.16
8.0.230.0050.00217.13
8.0.220.0000.00717.00
8.0.210.0080.00017.01
8.0.200.0030.00317.14
8.0.190.0030.00517.09
8.0.180.0070.00317.07
8.0.170.0050.00317.04
8.0.160.0040.00417.09
8.0.150.0000.00816.94
8.0.140.0040.00416.95
8.0.130.0030.00313.44
8.0.120.0080.00017.04
8.0.110.0000.00717.06
8.0.100.0040.00416.86
8.0.90.0040.00416.90
8.0.80.0060.01017.05
8.0.70.0070.00016.91
8.0.60.0000.00817.09
8.0.50.0000.00816.85
8.0.30.0120.00817.05
8.0.20.0130.01017.40
8.0.10.0070.00017.09
8.0.00.0140.00616.71
7.4.330.0060.00015.14
7.4.320.0030.00316.52
7.4.300.0000.00616.61
7.4.290.0030.00316.62
7.4.280.0040.00416.60
7.4.270.0000.00616.66
7.4.260.0000.00716.64
7.4.250.0070.00016.55
7.4.240.0030.00316.47
7.4.230.0030.00316.36
7.4.220.0150.00616.39
7.4.210.0100.01016.48
7.4.200.0050.00316.61
7.4.160.0100.00616.59
7.4.150.0130.00517.40
7.4.140.0070.01217.86
7.4.130.0080.01216.50
7.4.120.0060.01116.67
7.4.110.0060.01216.77
7.4.100.0060.01816.68
7.4.90.0080.00916.57
7.4.80.0220.00019.39
7.4.70.0060.01216.55
7.4.60.0090.00616.69
7.4.50.0000.00616.35
7.4.40.0070.01716.52
7.4.30.0070.01016.53
7.4.00.0100.00715.12
7.3.330.0000.00513.58
7.3.320.0050.00013.38
7.3.310.0000.00616.50
7.3.300.0030.00316.41
7.3.290.0070.00916.55
7.3.280.0100.00916.50
7.3.270.0140.00417.40
7.3.260.0070.01016.43
7.3.250.0090.01016.47
7.3.240.0150.00316.60
7.3.230.0160.00316.39
7.3.210.0060.01216.64
7.3.200.0130.00416.71
7.3.190.0110.01116.68
7.3.180.0130.00616.57
7.3.170.0090.01516.60
7.3.160.0060.00916.58
7.3.10.0070.00716.71
7.3.00.0030.01016.79
7.2.330.0130.00616.72
7.2.320.0130.00316.68
7.2.310.0090.00916.68
7.2.300.0030.01516.62
7.2.290.0070.01516.40
7.2.130.0070.00716.76
7.2.120.0040.01116.80
7.2.110.0050.00316.81
7.2.100.0030.01316.80
7.2.90.0070.01016.76
7.2.80.0080.00816.92
7.2.70.0030.01016.65
7.2.60.0030.01016.78
7.2.50.0050.00516.63
7.2.40.0100.00316.73
7.2.30.0040.00416.87
7.2.20.0070.00717.01
7.2.10.0000.01416.89
7.2.00.0030.01018.08
7.1.250.0030.01315.83
7.1.200.0030.01015.85
7.1.100.0000.01018.12
7.1.70.0030.00516.93
7.1.60.0180.00719.86
7.1.50.0060.01816.46
7.1.00.0070.07022.40
7.0.200.0000.00816.68
7.0.60.0170.07020.01
7.0.50.0030.04017.88
7.0.40.0100.07320.24
7.0.30.0230.03720.25
7.0.20.0270.07720.06
7.0.10.0030.05320.12
7.0.00.0170.08020.19
5.6.280.0030.07021.05
5.6.210.0030.04720.51
5.6.200.0030.08718.20
5.6.190.0030.05720.77
5.6.180.0030.05320.42
5.6.170.0230.04720.55
5.6.160.0000.09020.56
5.6.150.0070.03718.17
5.6.140.0070.08018.17
5.6.130.0170.06018.20
5.6.120.0100.04020.99
5.6.110.0100.07321.02
5.6.100.0030.04020.99
5.6.90.0100.06720.98
5.6.80.0030.04020.54
5.5.350.3000.03320.29
5.5.340.0030.08317.99
5.5.330.0070.04020.42
5.5.320.0270.08020.27
5.5.310.0270.07720.28
5.5.300.0030.04018.02
5.5.290.0070.04317.96
5.5.280.0000.09720.66
5.5.270.0070.04020.75
5.5.260.0000.04320.79
5.5.250.0070.07720.55
5.5.240.0170.07320.18
5.4.450.0230.03719.51
5.4.440.0230.03719.50
5.4.430.0230.04319.53
5.4.420.0330.06719.41
5.4.410.0300.04719.18
5.4.400.0230.04019.07
5.4.390.0230.07319.19
5.4.380.0300.04319.00
5.4.370.0200.04319.15
5.4.360.0270.04319.16
5.4.350.0330.07719.15
5.4.340.0170.04719.24
5.4.320.0230.03719.14
5.4.310.0200.03719.13
5.4.300.0230.03719.15
5.4.290.0230.03319.21
5.4.280.0200.05319.18
5.4.270.0300.06019.16
5.4.260.0200.07719.22
5.4.250.0270.04019.21
5.4.240.0270.06718.97
5.4.230.0230.04018.95
5.4.220.0230.04019.30
5.4.210.0300.03319.06
5.4.200.0370.06018.98
5.4.190.0270.07019.18
5.4.180.0270.04319.18
5.4.170.0270.03319.08
5.4.160.0230.03318.85
5.4.150.0330.03719.01
5.4.140.0230.03316.40
5.4.130.0300.03716.38
5.4.120.0200.05016.55
5.4.110.0170.07716.52
5.4.100.0200.04016.63
5.4.90.0200.03316.59
5.4.80.0170.03716.49
5.4.70.0200.03316.57
5.4.60.0130.04016.19
5.4.50.0130.04016.16
5.4.40.0030.05316.23
5.4.30.0200.03316.22
5.4.20.0170.03716.41
5.4.10.0130.03716.51
5.4.00.0230.03715.78
5.3.290.0130.05014.78
5.3.280.0200.04314.56
5.3.270.0200.03714.75
5.3.260.0270.03314.52
5.3.250.0170.03714.66
5.3.240.0230.03714.61
5.3.230.0130.04314.51
5.3.220.0230.04014.66
5.3.210.0200.05714.68
5.3.200.0230.03014.58
5.3.190.0170.03714.56
5.3.180.0330.02714.57
5.3.170.0270.04014.79
5.3.160.0200.03314.49
5.3.150.0170.03714.56
5.3.140.0170.03714.56
5.3.130.0230.03014.46
5.3.120.0200.03714.55
5.3.110.0230.04014.70
5.3.100.0170.04014.26
5.3.90.0170.03714.17
5.3.80.0170.03713.94
5.3.70.0230.03014.03
5.3.60.0200.03314.23
5.3.50.0200.03313.86
5.3.40.0200.03713.96
5.3.30.0230.04014.05
5.3.20.0270.03313.71
5.3.10.0270.06313.68
5.3.00.0230.03013.70
5.2.170.0230.03011.30
5.2.160.0130.03711.06
5.2.150.0200.03311.13
5.2.140.0170.03711.27
5.2.130.0100.03311.08
5.2.120.0270.04011.18
5.2.110.0130.03011.15
5.2.100.0030.03011.01
5.2.90.0030.02711.04
5.2.80.0170.03011.00
5.2.70.0200.02311.07
5.2.60.0170.03011.17
5.2.50.0170.02711.17
5.2.40.0130.02710.94
5.2.30.0100.03010.98
5.2.20.0170.02310.87
5.2.10.0070.03310.87
5.2.00.0130.02710.64
5.1.60.0100.0279.93
5.1.50.0130.0279.97
5.1.40.0000.0339.88
5.1.30.0070.04010.39
5.1.20.0100.02310.32
5.1.10.0030.04010.13
5.1.00.0070.0309.97
5.0.50.0600.0208.43
5.0.40.0570.0178.32
5.0.30.0570.0278.21
5.0.20.0770.0308.29
5.0.10.0530.0278.11
5.0.00.0600.0338.19
4.4.90.0630.0208.04
4.4.80.0700.0178.04
4.4.70.0600.0178.04
4.4.60.0530.0138.04
4.4.50.0500.0178.04
4.4.40.0530.0238.04
4.4.30.0700.0208.04
4.4.20.0530.0138.04
4.4.10.0730.0208.04
4.4.00.0570.0308.04
4.3.110.0730.0238.04
4.3.100.0400.0308.04
4.3.90.0530.0238.04
4.3.80.0670.0408.04
4.3.70.0630.0178.04
4.3.60.0670.0138.04
4.3.50.0130.0338.04
4.3.40.0000.0578.04
4.3.30.0030.0338.04
4.3.20.0030.0378.04
4.3.10.0000.0278.04
4.3.00.0070.0308.04

preferences:
21.01 ms | 401 KiB | 5 Q