3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateUserFIO(array $names) { return implode( ' ', [ ucfirst(strtolower($names['last_name'])), (substr($names['first_name'], 0, 1) . '.'), (substr($names['middle_name'], 0, 1) . '.'), ] ); } print_r(generateUserFIO([ 'last_name' => 'Гопкало', 'first_name' => 'Никита', 'middle_name' => 'Владимирович', ]));

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)
8.3.70.0100.01018.31
8.3.60.0040.01118.27
8.3.50.0160.00716.42
8.3.40.0110.00318.71
8.3.30.0070.01018.53
8.3.20.0000.00818.64
8.3.10.0080.00020.40
8.3.00.0050.00317.50
8.2.180.0080.00816.50
8.2.170.0110.00322.96
8.2.160.0110.00322.25
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0050.00319.83
8.2.110.0030.00620.94
8.2.100.0040.00817.91
8.2.90.0060.00319.22
8.2.80.0060.00317.80
8.2.70.0080.00017.63
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0030.00519.95
8.2.30.0040.00417.93
8.2.20.0040.00417.64
8.2.10.0040.00717.68
8.2.00.0030.00617.67
8.1.280.0070.01425.92
8.1.270.0000.00724.66
8.1.260.0150.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.57
8.1.230.0040.00721.04
8.1.220.0050.00317.74
8.1.210.0080.00018.97
8.1.200.0090.00017.00
8.1.190.0000.00817.53
8.1.180.0030.00618.10
8.1.170.0040.00418.89
8.1.160.0000.00818.77
8.1.150.0040.00418.60
8.1.140.0030.00517.39
8.1.130.0000.00817.66
8.1.120.0000.00717.39
8.1.110.0040.00417.45
8.1.100.0000.00717.42
8.1.90.0040.00417.45
8.1.80.0080.00017.39
8.1.70.0000.00717.32
8.1.60.0020.00517.42
8.1.50.0000.00817.30
8.1.40.0080.00017.37
8.1.30.0040.00417.52
8.1.20.0030.00517.54
8.1.10.0060.00317.40
8.1.00.0060.00317.45
8.0.300.0000.00819.89
8.0.290.0000.00716.63
8.0.280.0000.00718.38
8.0.270.0000.00717.11
8.0.260.0070.00016.74
8.0.250.0040.00416.80
8.0.240.0070.00416.77
8.0.230.0040.00416.91
8.0.220.0040.00416.71
8.0.210.0070.00016.80
8.0.200.0030.00316.84
8.0.190.0100.00016.84
8.0.180.0000.00716.77
8.0.170.0040.00416.72
8.0.160.0030.00316.84
8.0.150.0050.00316.83
8.0.140.0060.00316.63
8.0.130.0070.00013.21
8.0.120.0040.00416.69
8.0.110.0040.00416.70
8.0.100.0040.00416.68
8.0.90.0040.00416.65
8.0.80.0110.00916.80
8.0.70.0040.00416.65
8.0.60.0000.00816.73
8.0.50.0050.00216.88
8.0.30.0150.00316.84
8.0.20.0110.01017.14
8.0.10.0070.00016.98
8.0.00.0070.01116.66
7.4.330.0020.00212.93
7.4.320.0060.00016.44
7.4.300.0000.00616.42
7.4.290.0030.00316.42
7.4.280.0050.00516.43
7.4.270.0030.00316.33
7.4.260.0020.00213.16
7.4.250.0070.00316.44
7.4.240.0040.00416.48
7.4.230.0030.00416.18
7.4.220.0040.01216.52
7.4.210.0060.01016.51
7.4.200.0040.00416.33
7.4.190.0030.00316.38
7.4.160.0060.00916.50
7.4.150.0160.00616.43
7.4.140.0100.00716.34
7.4.130.0120.00616.40
7.4.120.0090.01216.51
7.4.110.0120.00616.42
7.4.100.0070.01016.47
7.4.90.0120.00616.41
7.4.80.0130.00616.40
7.4.70.0100.00616.48
7.4.60.0120.00316.50
7.4.50.0000.00816.23
7.4.40.0060.00616.36
7.4.30.0070.01016.20
7.4.00.0080.00514.80
7.3.330.0030.00313.08
7.3.320.0000.00513.29
7.3.310.0050.00316.43
7.3.300.0000.00616.38
7.3.290.0040.01016.25
7.3.280.0080.00816.17
7.3.270.0120.00416.45
7.3.260.0100.01416.36
7.3.250.0120.01016.29
7.3.240.0090.00616.47
7.3.230.0090.00616.39
7.3.210.0100.00716.44
7.3.200.0060.01319.39
7.3.190.0060.01216.39
7.3.180.0060.01016.21
7.3.170.0060.00916.30
7.3.160.0110.00416.37
7.3.120.0070.00914.79
7.3.110.0130.00614.86
7.3.100.0030.01514.60
7.3.90.0070.01014.89
7.3.80.0090.00314.71
7.3.70.0030.00914.68
7.3.60.0040.00814.76
7.3.50.0120.00314.86
7.3.40.0060.00914.41
7.3.30.0000.01114.67
7.3.20.0110.00316.39
7.3.10.0040.00816.79
7.3.00.0100.00616.52
7.2.330.0120.00616.30
7.2.320.0080.00916.29
7.2.310.0090.00916.49
7.2.300.0120.00616.50
7.2.290.0030.01316.68
7.2.250.0030.00814.94
7.2.240.0040.01214.95
7.2.230.0000.01415.03
7.2.220.0000.01815.16
7.2.210.0090.00314.91
7.2.200.0090.00614.88
7.2.190.0090.00314.72
7.2.180.0000.01215.10
7.2.170.0110.00415.06
7.2.00.0060.00619.37
7.1.330.0080.00615.85
7.1.320.0090.00615.76
7.1.310.0030.00716.08
7.1.300.0070.01015.64
7.1.290.0040.00815.71
7.1.280.0000.01215.82
7.1.270.0030.00715.83
7.1.260.0070.00715.65
7.1.100.0030.01018.23
7.1.70.0060.00317.13
7.1.60.0100.01419.40
7.1.50.0070.00716.85
7.1.00.0030.07722.36
7.0.200.0030.00616.43
7.0.140.0030.07321.90
7.0.120.0130.05722.23
7.0.60.0070.07019.94
7.0.50.0030.07017.91
7.0.40.0100.07320.23
7.0.30.0130.05720.20
7.0.20.0270.06720.09
7.0.10.0100.08720.06
7.0.00.0100.08720.20
5.6.280.0000.07721.11
5.6.210.0030.08720.50
5.6.200.0030.09018.21
5.6.190.0000.04720.33
5.6.180.0070.05020.50
5.6.170.0300.06020.62
5.6.160.0030.07020.46
5.6.150.0130.07018.18
5.6.140.0000.05718.18
5.6.130.0100.05018.18
5.6.120.0030.04021.15
5.6.110.0070.08020.99
5.6.100.0130.07720.89
5.6.90.0100.08020.99
5.6.80.0100.07320.39
5.5.350.0200.03320.43
5.5.340.0070.05317.98
5.5.330.0100.06720.40
5.5.320.0200.05020.30
5.5.310.0300.04320.34
5.5.300.0170.07017.98
5.5.290.0030.06317.98
5.5.280.0100.08020.80
5.5.270.0030.09020.76
5.5.260.0070.07320.88
5.5.250.0100.03320.58
5.5.240.0070.06720.25
5.4.450.0100.07319.43
5.4.440.0000.05019.18
5.4.430.0030.05019.56
5.4.420.0070.05019.52
5.4.410.0030.04719.22
5.4.400.0000.04718.84
5.4.390.0130.04719.24
5.4.380.0100.03319.24
5.4.370.0070.04719.12
5.4.360.0070.04019.24
5.4.350.0130.05719.24
5.4.340.0030.04719.06
5.4.320.0200.05319.24
5.4.310.0100.07319.17
5.4.300.0030.04019.24
5.4.290.0200.04319.15
5.4.280.0170.05018.86
5.4.270.0000.06319.09
5.4.260.0030.07019.14
5.4.250.0070.04719.07
5.4.240.0030.07718.86
5.4.230.0130.06719.26
5.4.220.0070.06319.23
5.4.210.0030.07318.84
5.4.200.0100.04719.07
5.4.190.0070.04018.84
5.4.180.0030.06319.07
5.4.170.0130.07019.23
5.4.160.0070.08019.13
5.4.150.0130.04319.08
5.4.140.0070.05016.37
5.4.130.0000.05316.39
5.4.120.0030.07016.54
5.4.110.0070.04016.47
5.4.100.0030.08016.54
5.4.90.0030.07316.29
5.4.80.0030.04016.28
5.4.70.0100.03716.27
5.4.60.0070.03716.45
5.4.50.0100.07016.45
5.4.40.0070.07316.43
5.4.30.0130.07016.38
5.4.20.0070.06316.38
5.4.10.0100.06316.40
5.4.00.0070.05015.83
5.3.290.0030.05014.67
5.3.280.0070.06714.64
5.3.270.0030.08014.68
5.3.260.0100.05014.66
5.3.250.0130.03014.63
5.3.240.0070.07014.62
5.3.230.0100.07014.63
5.3.220.0100.07314.58
5.3.210.0030.04314.49
5.3.200.0000.05014.57
5.3.190.0000.05314.59
5.3.180.0000.08314.62
5.3.170.0070.07314.48
5.3.160.0100.06714.58
5.3.150.0100.04014.57
5.3.140.0130.07314.64
5.3.130.0100.05714.57
5.3.120.0070.05314.63
5.3.110.0070.07314.59
5.3.100.0100.03314.05
5.3.90.0070.03314.03
5.3.80.0070.07714.02
5.3.70.0030.06013.96
5.3.60.0070.04013.96
5.3.50.0100.07714.00
5.3.40.0030.04714.02
5.3.30.0070.04713.96
5.3.20.0100.04013.68
5.3.10.0000.06313.67
5.3.00.0030.06713.78
5.2.170.0030.05311.14
5.2.160.0030.04711.04
5.2.150.0030.06311.09
5.2.140.0070.04311.18
5.2.130.0030.03311.16
5.2.120.0030.03011.06
5.2.110.0100.04710.99
5.2.100.0070.05011.25
5.2.90.0100.03010.99
5.2.80.0000.06011.17
5.2.70.0100.03711.01
5.2.60.0100.03311.04
5.2.50.0000.07011.01
5.2.40.0070.05310.98
5.2.30.0030.06311.13
5.2.20.0100.02711.11
5.2.10.0100.04010.78
5.2.00.0030.06010.87
5.1.60.0070.05010.15
5.1.50.0130.04010.02
5.1.40.0030.05710.02
5.1.30.0030.04310.36
5.1.20.0000.04010.40
5.1.10.0030.0409.97
5.1.00.0100.05310.20
5.0.50.0070.0178.50
5.0.40.0000.0238.47
5.0.30.0000.0338.23
5.0.20.0030.0408.25
5.0.10.0070.0278.14
5.0.00.0030.0378.06
4.4.90.0000.0277.81
4.4.80.0030.0237.81
4.4.70.0000.0307.81
4.4.60.0000.0337.81
4.4.50.0030.0277.81
4.4.40.0000.0307.81
4.4.30.0000.0307.81
4.4.20.0000.0237.81
4.4.10.0000.0377.81
4.4.00.0000.0277.81
4.3.110.0070.0207.81
4.3.100.0070.0307.81
4.3.90.0000.0237.81
4.3.80.0030.0607.81
4.3.70.0100.0237.81
4.3.60.0070.0307.81
4.3.50.0000.0207.81
4.3.40.0030.0307.81
4.3.30.0070.0107.81
4.3.20.0000.0177.81
4.3.10.0000.0407.81
4.3.00.0030.0177.81

preferences:
39.25 ms | 401 KiB | 5 Q