3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "<derp>"; $words = array(); $words[] = &$string; $derp = array(); $derp[] = &$string; $words[0] = substr($string, 1); $words[0] = substr($string, 0, -1); sort($derp); var_dump($derp);

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)
8.3.40.0000.01418.53
8.3.30.0070.00718.96
8.3.20.0080.00420.16
8.3.10.0000.00823.66
8.3.00.0040.00420.86
8.2.170.0080.00822.96
8.2.160.0030.01020.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.36
8.2.110.0090.00022.24
8.2.100.0110.00020.49
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0070.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0000.00819.94
8.2.30.0040.00418.33
8.2.20.0000.00717.68
8.2.10.0030.00617.93
8.2.00.0090.00019.48
8.1.270.0030.00523.92
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0130.00323.98
8.1.230.0110.00019.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0080.00017.10
8.1.180.0050.00318.10
8.1.170.0070.00018.46
8.1.160.0000.00721.81
8.1.150.0080.00018.57
8.1.140.0040.00417.29
8.1.130.0000.00717.75
8.1.120.0040.00417.36
8.1.110.0000.00817.30
8.1.100.0050.00217.38
8.1.90.0040.00417.39
8.1.80.0000.00817.40
8.1.70.0050.00317.34
8.1.60.0030.00517.54
8.1.50.0040.00417.41
8.1.40.0040.00417.37
8.1.30.0060.00317.46
8.1.20.0000.00717.60
8.1.10.0040.00417.61
8.1.00.0050.00217.49
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00818.38
8.0.270.0070.00017.23
8.0.260.0020.00517.18
8.0.250.0040.00416.93
8.0.240.0080.00016.91
8.0.230.0000.00716.84
8.0.220.0030.00316.71
8.0.210.0030.00316.77
8.0.200.0030.00316.85
8.0.190.0030.00316.79
8.0.180.0050.00316.73
8.0.170.0040.00416.88
8.0.160.0040.00416.88
8.0.150.0000.00716.74
8.0.140.0040.00416.69
8.0.130.0030.00313.17
8.0.120.0040.00416.77
8.0.110.0000.00716.65
8.0.100.0050.00216.69
8.0.90.0020.00516.69
8.0.80.0130.00316.74
8.0.70.0060.00316.78
8.0.60.0040.00416.61
8.0.50.0000.00716.85
8.0.30.0120.00516.98
8.0.20.0120.00617.40
8.0.10.0030.00617.04
8.0.00.0120.00616.65
7.4.330.0060.00015.09
7.4.320.0080.00016.45
7.4.300.0040.00416.44
7.4.290.0030.00316.40
7.4.280.0040.00416.40
7.4.270.0040.00416.50
7.4.260.0040.00416.31
7.4.250.0070.00016.51
7.4.240.0050.00216.44
7.4.230.0000.00716.47
7.4.220.0120.00616.59
7.4.210.0100.01016.46
7.4.200.0070.00016.46
7.4.160.0120.00416.46
7.4.150.0100.00617.40
7.4.140.0090.01517.86
7.4.130.0040.01216.46
7.4.120.0120.00516.45
7.4.110.0100.00716.54
7.4.100.0060.01116.52
7.4.90.0050.01416.44
7.4.80.0150.00619.39
7.4.70.0100.00716.51
7.4.60.0090.00616.56
7.4.50.0090.00016.17
7.4.40.0030.01616.63
7.4.30.0120.00316.46
7.4.00.0040.01115.05
7.3.330.0000.00612.99
7.3.320.0000.00513.11
7.3.310.0050.00216.29
7.3.300.0020.00516.09
7.3.290.0080.00716.32
7.3.280.0110.00716.18
7.3.270.0110.00617.40
7.3.260.0080.01216.48
7.3.250.0130.00616.40
7.3.240.0030.01216.16
7.3.230.0040.01116.39
7.3.210.0120.00616.37
7.3.200.0160.00019.39
7.3.190.0060.01016.21
7.3.180.0100.00716.21
7.3.170.0110.01116.27
7.3.160.0060.01616.34
7.3.120.0060.01014.44
7.2.330.0080.00816.67
7.2.320.0070.01116.27
7.2.310.0130.00316.61
7.2.300.0120.00516.45
7.2.290.0110.01116.31
7.2.00.0140.00019.20
7.1.100.0040.01118.35
7.1.70.0080.00017.19
7.1.60.0130.01019.70
7.1.50.0030.01316.86
7.1.00.0030.07722.44
7.0.200.0000.00816.75
7.0.140.0030.06722.01
7.0.100.0100.07720.05
7.0.90.0200.09019.93
7.0.80.0370.06020.02
7.0.70.0230.07719.85
7.0.60.0230.07319.93
7.0.50.0070.08320.30
7.0.40.0130.07320.19
7.0.30.0130.06019.95
7.0.20.0000.09320.08
7.0.10.0170.07720.10
7.0.00.0130.07720.10
5.6.280.0000.07720.76
5.6.250.0200.06320.58
5.6.240.0100.08020.57
5.6.230.0100.08020.74
5.6.220.0130.07020.70
5.6.210.0100.08020.60
5.6.200.0070.08721.13
5.6.190.0030.07021.04
5.6.180.0070.08021.10
5.6.170.0000.05321.10
5.6.160.0100.06020.95
5.6.150.0100.07720.99
5.6.140.0130.06321.09
5.6.130.0030.06720.93
5.6.120.0030.04320.99
5.6.110.0000.08721.05
5.6.100.0070.05020.94
5.6.90.0100.04720.97
5.6.80.0130.07320.51
5.6.70.0070.05320.54
5.6.60.0070.04320.38
5.6.50.0030.06320.39
5.6.40.0070.05020.46
5.6.30.0070.05720.43
5.6.20.0070.05320.45
5.6.10.0100.06020.30
5.6.00.0070.07020.46
5.5.380.0070.07320.34
5.5.370.0130.03720.41
5.5.360.0070.04720.34
5.5.350.0070.07320.43
5.5.340.0030.05020.75
5.5.330.0070.07720.86
5.5.320.0070.07020.88
5.5.310.0030.05020.77
5.5.300.0100.07720.78
5.5.290.0100.04320.86
5.5.280.0100.07320.72
5.5.270.0000.05320.88
5.5.260.0100.07720.86
5.5.250.0070.09020.60
5.5.240.0030.04320.11
5.5.230.0070.07320.16
5.5.220.0030.04720.16
5.5.210.0070.06320.30
5.5.200.0170.06020.23
5.5.190.0070.05020.10
5.5.180.0030.04720.14
5.5.160.0070.07020.22
5.5.150.0030.07720.27
5.5.140.0130.07020.11
5.5.130.0030.07020.17
5.5.120.0070.06720.26
5.5.110.0030.05320.21
5.5.100.0030.07320.17
5.5.90.0130.06720.03
5.5.80.0100.05720.14
5.5.70.0100.07020.05
5.5.60.0100.07720.13
5.5.50.0130.06320.02
5.5.40.0030.07720.07
5.5.30.0070.07020.04
5.5.20.0130.07020.04
5.5.10.0130.07720.03
5.5.00.0070.05019.96
5.4.450.0070.06319.38
5.4.440.0070.08319.22
5.4.430.0170.06719.13
5.4.420.0170.05019.35
5.4.410.0100.07319.32
5.4.400.0100.07318.95
5.4.390.0000.06319.14
5.4.380.0130.07319.03
5.4.370.0070.08019.25
5.4.360.0070.03318.96
5.4.350.0000.07718.95
5.4.340.0100.07319.02
5.4.320.0070.08019.14
5.4.310.0030.08019.11
5.4.300.0030.07718.97
5.4.290.0070.08019.04
5.4.280.0130.07019.11
5.4.270.0030.07719.03
5.4.260.0070.07318.78
5.4.250.0070.08319.13
5.4.240.0100.07018.84
5.4.230.0000.04719.16
5.4.220.0200.03718.80
5.4.210.0100.06319.13
5.4.200.0100.07719.12
5.4.190.0100.07719.11
5.4.180.0070.08718.99
5.4.170.0030.07318.91
5.4.160.0170.07019.05
5.4.150.0100.07719.12
5.4.140.0100.06716.34
5.4.130.0100.07016.32
5.4.120.0030.05716.36
5.4.110.0070.07316.43
5.4.100.0070.08016.38
5.4.90.0100.06716.33
5.4.80.0170.05716.40
5.4.70.0030.04316.20
5.4.60.0100.06016.21
5.4.50.0230.05016.28
5.4.40.0000.07716.34
5.4.30.0100.06716.18
5.4.20.0100.04316.20
5.4.10.0130.07016.38
5.4.00.0130.03315.72
5.3.290.0030.07314.61
5.3.280.0070.07314.58
5.3.270.0130.06714.61
5.3.260.0070.08314.59
5.3.250.0070.08014.60
5.3.240.0070.04714.60
5.3.230.0100.07314.58
5.3.220.0030.07314.56
5.3.210.0030.08714.57
5.3.200.0100.05014.40
5.3.190.0070.07714.52
5.3.180.0070.06014.55
5.3.170.0100.06314.53
5.3.160.0100.06714.51
5.3.150.0200.06314.55
5.3.140.0070.05714.50
5.3.130.0130.06714.50
5.3.120.0030.07714.49
5.3.110.0100.07314.40
5.3.100.0130.06014.03
5.3.90.0200.06713.99
5.3.80.0030.08014.00
5.3.70.0070.07313.87
5.3.60.0130.06713.86
5.3.50.0100.03713.80
5.3.40.0070.07313.80
5.3.30.0130.07313.85
5.3.20.0130.06313.55
5.3.10.0070.07013.61
5.3.00.0070.06313.48
5.2.170.0000.06711.06
5.2.160.0030.06011.14
5.2.150.0030.04011.06
5.2.140.0030.06311.20
5.2.130.0030.05011.08
5.2.120.0070.06011.15
5.2.110.0070.05311.09
5.2.100.0070.05311.17
5.2.90.0130.04311.05
5.2.80.0030.06311.09
5.2.70.0100.05710.93
5.2.60.0070.05711.07
5.2.50.0030.03710.86
5.2.40.0070.05710.79
5.2.30.0030.06711.04
5.2.20.0000.04310.75
5.2.10.0030.03710.93
5.2.00.0070.05310.76
5.1.60.0030.0339.83
5.1.50.0100.0509.97
5.1.40.0030.03310.04
5.1.30.0000.03010.37
5.1.20.0030.06010.36
5.1.10.0070.04310.14
5.1.00.0070.0479.90
5.0.50.0100.0338.55
5.0.40.0030.0478.38
5.0.30.0030.0638.28
5.0.20.0070.0378.02
5.0.10.0030.0478.25
5.0.00.0070.0578.20
4.4.90.0000.0337.99
4.4.80.0100.0277.99
4.4.70.0100.0277.99
4.4.60.0000.0207.99
4.4.50.0030.0377.99
4.4.40.0030.0237.99
4.4.30.0070.0177.99
4.4.20.0000.0237.99
4.4.10.0030.0237.99
4.4.00.0070.0507.99
4.3.110.0070.0307.99
4.3.100.0000.0237.99
4.3.90.0000.0237.99
4.3.80.0070.0507.99
4.3.70.0000.0177.99
4.3.60.0030.0337.99
4.3.50.0030.0407.99
4.3.40.0030.0307.99
4.3.30.0000.0377.99
4.3.20.0070.0337.99
4.3.10.0000.0307.99
4.3.00.0070.0137.99

preferences:
41.14 ms | 400 KiB | 5 Q