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', ])) . PHP_EOL; function generateUserFIO2(array $names) { return implode( ' ', [ ucfirst(strtolower($names['last_name'])), (substr($names['first_name'], 0, 2) . '.'), (substr($names['middle_name'], 0, 2) . '.'), ] ); } print_r(generateUserFIO2([ '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)
8.3.60.0140.00016.75
8.3.50.0060.01117.36
8.3.40.0120.00418.38
8.3.30.0140.00018.56
8.3.20.0080.00018.69
8.3.10.0060.00318.44
8.3.00.0000.00919.20
8.2.180.0110.01118.29
8.2.170.0110.00722.96
8.2.160.0110.00418.66
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00420.93
8.2.110.0040.00720.47
8.2.100.0120.00017.72
8.2.90.0080.00019.06
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0070.00418.03
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0070.00418.00
8.2.20.0000.00817.62
8.2.10.0000.00717.69
8.2.00.0080.00317.63
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.97
8.1.230.0080.00417.42
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00717.35
8.1.190.0030.00617.40
8.1.180.0000.00818.10
8.1.170.0000.00818.96
8.1.160.0020.00518.75
8.1.150.0040.00418.59
8.1.140.0040.00417.32
8.1.130.0070.00017.76
8.1.120.0030.00417.44
8.1.110.0000.00717.38
8.1.100.0040.00417.37
8.1.90.0000.00817.30
8.1.80.0040.00417.38
8.1.70.0060.00017.37
8.1.60.0030.00617.48
8.1.50.0050.00217.28
8.1.40.0050.00217.47
8.1.30.0040.00417.47
8.1.20.0080.00017.57
8.1.10.0050.00217.49
8.1.00.0080.00017.44
8.0.300.0030.00618.77
8.0.290.0040.00416.58
8.0.280.0000.00818.41
8.0.270.0000.00717.18
8.0.260.0030.00316.75
8.0.250.0000.00816.80
8.0.240.0030.00316.89
8.0.230.0000.00716.92
8.0.220.0030.00316.68
8.0.210.0050.00516.77
8.0.200.0000.00816.75
8.0.190.0000.00716.92
8.0.180.0000.00816.84
8.0.170.0030.00616.74
8.0.160.0020.00516.79
8.0.150.0040.00416.71
8.0.140.0050.00316.77
8.0.130.0000.00613.21
8.0.120.0080.00016.80
8.0.110.0050.00316.89
8.0.100.0040.00416.78
8.0.90.0000.00716.78
8.0.80.0120.00316.81
8.0.70.0000.00716.79
8.0.60.0040.00416.77
8.0.50.0040.00416.68
8.0.30.0070.01416.93
8.0.20.0080.00917.12
8.0.10.0000.00816.82
8.0.00.0090.01116.71
7.4.330.0030.00312.92
7.4.320.0060.00016.53
7.4.300.0030.00316.52
7.4.290.0030.00316.43
7.4.280.0080.00016.54
7.4.270.0000.00716.40
7.4.260.0030.00313.21
7.4.250.0040.00416.52
7.4.240.0070.00016.52
7.4.230.0000.00716.64
7.4.220.0140.00416.29
7.4.210.0090.00616.60
7.4.200.0000.00816.60
7.4.190.0040.00416.69
7.4.160.0040.01116.34
7.4.150.0030.01316.49
7.4.140.0100.00716.38
7.4.130.0040.01416.50
7.4.120.0030.01516.44
7.4.110.0070.01316.59
7.4.100.0120.00916.32
7.4.90.0130.00916.57
7.4.80.0070.01419.39
7.4.70.0070.01616.47
7.4.60.0150.00016.32
7.4.50.0000.00816.29
7.4.40.0030.00916.25
7.4.30.0070.01016.47
7.4.00.0090.00614.96
7.3.330.0050.00013.33
7.3.320.0000.00513.27
7.3.310.0000.00716.32
7.3.300.0000.00616.18
7.3.290.0080.00616.21
7.3.280.0060.00816.18
7.3.270.0060.01116.35
7.3.260.0040.01416.36
7.3.250.0110.00716.27
7.3.240.0070.01116.32
7.3.230.0070.01016.36
7.3.210.0090.01216.55
7.3.200.0060.01116.34
7.3.190.0130.00316.25
7.3.180.0090.00816.44
7.3.170.0120.00616.46
7.3.160.0080.01116.24
7.3.120.0060.01014.73
7.3.10.0060.00616.26
7.3.00.0030.01016.25
7.2.330.0030.01316.20
7.2.320.0090.01216.46
7.2.310.0110.01216.66
7.2.300.0110.00616.57
7.2.290.0070.01016.45
7.2.130.0060.00317.02
7.2.120.0050.00516.84
7.2.110.0100.00016.89
7.2.100.0040.00416.64
7.2.90.0080.00617.02
7.2.80.0090.00316.77
7.2.70.0040.01116.54
7.2.60.0090.00516.65
7.2.50.0030.00716.86
7.2.40.0070.01016.91
7.2.30.0100.00316.95
7.2.20.0060.00916.88
7.2.10.0030.00916.83
7.2.00.0050.01017.91
7.1.250.0060.00615.76
7.1.200.0060.00915.80
7.1.100.0070.00717.99
7.1.70.0040.00417.14
7.1.60.0000.01619.30
7.1.50.0100.01316.88
7.1.00.0030.05322.36
7.0.200.0080.00416.69
7.0.140.0030.07321.97
7.0.60.0100.04320.01
7.0.50.0170.07317.89
7.0.40.0130.07320.25
7.0.30.0230.05720.08
7.0.20.0300.05320.15
7.0.10.0170.07720.13
7.0.00.0030.04320.22
5.6.280.0000.07721.07
5.6.210.0070.03720.51
5.6.200.0130.07318.14
5.6.190.0100.08720.62
5.6.180.3700.03020.39
5.6.170.0270.03720.43
5.6.160.0000.04320.54
5.6.150.0130.08018.27
5.6.140.0130.06718.29
5.6.130.0000.04318.23
5.6.120.0030.06320.98
5.6.110.0100.03721.14
5.6.100.0070.03721.05
5.6.90.0100.04320.98
5.6.80.0070.06320.43
5.6.70.4100.04020.36
5.5.350.0100.04720.42
5.5.340.0030.06317.96
5.5.330.0130.07020.40
5.5.320.2870.04320.36
5.5.310.0430.07020.19
5.5.300.0070.04317.95
5.5.290.0170.05717.93
5.5.280.0070.05720.69
5.5.270.0070.08020.94
5.5.260.0100.08020.88
5.5.250.0030.06020.47
5.5.240.0330.05720.16
5.4.450.0070.04719.49
5.4.440.0030.06319.47
5.4.430.0070.06319.55
5.4.420.0070.05019.47
5.4.410.0070.07319.05
5.4.400.0100.07318.93
5.4.390.0070.04018.87
5.4.380.0070.06019.24
5.4.370.0030.04719.20
5.4.360.0100.07718.85
5.4.350.0030.06719.24
5.4.340.0100.07319.13
5.4.320.0070.06019.14
5.4.310.0070.04719.12
5.4.300.0070.04319.14
5.4.290.0070.04018.85
5.4.280.0200.06719.15
5.4.270.0070.06719.15
5.4.260.0070.06719.23
5.4.250.0030.08319.14
5.4.240.0070.04718.92
5.4.230.0030.04019.16
5.4.220.0030.04019.11
5.4.210.0030.05019.25
5.4.200.0100.07019.14
5.4.190.0000.08019.23
5.4.180.0170.06319.11
5.4.170.0070.07719.13
5.4.160.0100.03718.96
5.4.150.0030.04718.99
5.4.140.0070.07316.32
5.4.130.0100.06016.32
5.4.120.0030.07716.31
5.4.110.0100.06716.48
5.4.100.0070.07016.72
5.4.90.0070.06016.43
5.4.80.0000.06016.50
5.4.70.0100.07016.41
5.4.60.0070.07316.56
5.4.50.0030.07316.38
5.4.40.0070.03716.52
5.4.30.0070.07316.34
5.4.20.0030.08016.36
5.4.10.0100.06016.50
5.4.00.0000.04315.85
5.3.290.0030.06714.67
5.3.280.0070.03714.67
5.3.270.0100.07314.63
5.3.260.0000.04314.77
5.3.250.0100.07014.61
5.3.240.0100.06014.62
5.3.230.0100.06314.49
5.3.220.0030.06314.59
5.3.210.0070.04714.73
5.3.200.0130.06714.73
5.3.190.0030.05314.45
5.3.180.0030.07314.45
5.3.170.0070.05014.59
5.3.160.0030.03714.73
5.3.150.0070.03314.62
5.3.140.0030.08014.44
5.3.130.0030.05714.59
5.3.120.0070.05314.55
5.3.110.0130.07014.56
5.3.100.0130.06714.11
5.3.90.0100.05014.07
5.3.80.0030.06714.05
5.3.70.0130.04014.01
5.3.60.0100.03713.94
5.3.50.0070.06313.95
5.3.40.0030.06014.00
5.3.30.0130.07013.82
5.3.20.0100.07013.61
5.3.10.0070.05713.81
5.3.00.0030.04313.68
5.2.170.0100.06011.11
5.2.160.0030.06311.22
5.2.150.0000.05711.14
5.2.140.0030.04011.20
5.2.130.0070.04011.16
5.2.120.0100.06011.10
5.2.110.0000.05011.16
5.2.100.0070.05011.11
5.2.90.0000.04711.05
5.2.80.0000.03710.98
5.2.70.0030.06711.01
5.2.60.0000.05710.93
5.2.50.0000.03311.01
5.2.40.0100.05711.15
5.2.30.0030.05310.86
5.2.20.0030.05711.12
5.2.10.0000.05710.86
5.2.00.0000.06710.77
5.1.60.0070.0479.89
5.1.50.0070.05310.01
5.1.40.0070.04710.04
5.1.30.0030.05310.34
5.1.20.0030.04310.27
5.1.10.0030.03710.11
5.1.00.0030.05710.04
5.0.50.0030.0308.56
5.0.40.0030.0208.38
5.0.30.0100.0538.29
5.0.20.0000.0278.22
5.0.10.0030.0308.12
5.0.00.0000.0538.17
4.4.90.0070.0307.87
4.4.80.0000.0177.87
4.4.70.0000.0407.87
4.4.60.0030.0377.87
4.4.50.0070.0337.87
4.4.40.0030.0507.87
4.4.30.0000.0177.87
4.4.20.0070.0177.87
4.4.10.0070.0237.87
4.4.00.0000.0377.87
4.3.110.0100.0237.87
4.3.100.0030.0237.87
4.3.90.0000.0307.87
4.3.80.0030.0577.87
4.3.70.0070.0307.87
4.3.60.0000.0377.87
4.3.50.0000.0337.87
4.3.40.0030.0477.87
4.3.30.0000.0237.87
4.3.20.0000.0237.87
4.3.10.0000.0237.87
4.3.00.0000.0207.87

preferences:
38.44 ms | 401 KiB | 5 Q