3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nullifyEmptyStrings(array $array) { return array_map(function ($item) { return $item !== '' ? $item : null; }, $array); } $row = [ 'first' => 'foo', 'second' => '', 'third' => '', 'fourth' => 'bar', ]; var_dump(nullifyEmptyStrings($row));

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)
8.5.30.0080.00917.48
8.5.20.0130.00618.25
8.5.10.0070.01016.81
8.5.00.0090.01419.81
8.4.180.0140.00819.52
8.4.170.0160.00620.40
8.4.160.0140.00822.13
8.4.150.0080.00516.80
8.4.140.0110.01017.61
8.4.130.0030.00517.39
8.4.120.0020.00820.56
8.4.110.0060.00519.04
8.4.100.0040.00517.60
8.4.90.0160.00420.54
8.4.80.0150.00418.86
8.4.70.0150.00518.82
8.4.60.0130.00719.15
8.4.50.0110.00818.70
8.4.40.0130.00617.48
8.4.30.0130.00720.65
8.4.20.0160.00318.94
8.4.10.0120.00320.52
8.3.300.0110.01020.77
8.3.290.0100.01020.59
8.3.280.0110.00918.29
8.3.270.0150.01016.57
8.3.260.0110.00817.10
8.3.250.0090.01218.87
8.3.240.0140.00516.46
8.3.230.0120.00616.74
8.3.220.0090.01018.96
8.3.210.0130.00618.27
8.3.200.0050.00416.84
8.3.190.0120.00717.03
8.3.180.0110.00817.02
8.3.170.0000.01217.29
8.3.160.0070.01118.48
8.3.150.0070.01118.52
8.3.140.0060.00919.01
8.3.130.0040.00418.34
8.3.120.0060.00318.79
8.3.110.0000.00920.94
8.3.100.0080.00024.06
8.3.90.0040.00426.77
8.3.80.0100.00016.63
8.3.70.0040.01116.58
8.3.60.0100.01016.50
8.3.50.0090.00823.62
8.3.40.0160.00318.54
8.3.30.0120.00318.55
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.300.0110.00822.13
8.2.290.0110.00816.55
8.2.280.0120.00618.26
8.2.270.0110.00716.80
8.2.260.0070.01118.43
8.2.250.0080.00016.51
8.2.240.0060.01316.89
8.2.230.0040.00422.58
8.2.220.0050.00537.54
8.2.210.0040.00426.77
8.2.200.0030.00616.75
8.2.190.0070.01116.58
8.2.180.0070.00725.92
8.2.170.0040.01118.91
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0060.00322.22
8.2.100.0070.00417.91
8.2.90.0100.00017.63
8.2.80.0050.00318.62
8.2.70.0000.00817.63
8.2.60.0040.00417.50
8.2.50.0040.00417.55
8.2.40.0050.00318.08
8.2.30.0040.00417.94
8.2.20.0000.00718.13
8.2.10.0000.00819.38
8.2.00.0040.00419.29
8.1.340.0040.00517.57
8.1.330.0120.00816.04
8.1.320.0120.01017.82
8.1.310.0070.00418.39
8.1.300.0060.00317.99
8.1.290.0030.00618.88
8.1.280.0080.01125.92
8.1.270.0000.00824.66
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0100.00023.96
8.1.230.0040.00719.09
8.1.220.0050.00317.74
8.1.210.0000.01018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00718.60
8.1.160.0040.00418.97
8.1.150.0040.00418.76
8.1.140.0040.00418.89
8.1.130.0030.00320.13
8.1.120.0030.00617.47
8.1.110.0000.00717.34
8.1.100.0000.00817.45
8.1.90.0030.00617.44
8.1.80.0040.00417.39
8.1.70.0030.00317.48
8.1.60.0070.00017.62
8.1.50.0050.00317.54
8.1.40.0000.00817.45
8.1.30.0040.00417.65
8.1.20.0040.00417.67
8.1.10.0040.00717.45
8.1.00.0040.00417.34
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00818.48
8.0.270.0050.00317.97
8.0.260.0000.00618.25
8.0.250.0050.00316.94
8.0.240.0000.00716.91
8.0.230.0030.00316.78
8.0.220.0000.00716.81
8.0.210.0000.00716.80
8.0.200.0080.00016.90
8.0.190.0040.00416.84
8.0.180.0040.00416.89
8.0.170.0080.00016.95
8.0.160.0050.00216.91
8.0.150.0040.00416.90
8.0.140.0080.00016.73
8.0.130.0030.00313.41
8.0.120.0040.00416.76
8.0.110.0000.00716.75
8.0.100.0040.00416.93
8.0.90.0000.00717.00
8.0.80.0050.01116.87
8.0.70.0050.00316.87
8.0.60.0020.00516.93
8.0.50.0070.00016.87
8.0.30.0170.00017.23
8.0.20.0110.00817.21
8.0.10.0050.00316.97
8.0.00.0080.01216.96
7.4.330.0050.00015.55
7.4.320.0040.00416.64
7.4.300.0030.00316.59
7.4.290.0000.00716.54
7.4.280.0040.00416.41
7.4.270.0070.00016.58
7.4.260.0030.00313.39
7.4.250.0000.00816.61
7.4.240.0030.00316.50
7.4.230.0070.00016.42
7.4.220.0040.00316.60
7.4.210.0070.00916.52
7.4.200.0030.00316.60
7.4.130.0160.00216.62
7.4.120.0080.00816.62
7.4.110.0060.01216.46
7.4.100.0100.00716.55
7.4.90.0100.01016.49
7.4.80.0040.01516.54
7.4.70.0120.00616.37
7.4.60.0140.00816.57
7.4.50.0140.01016.40
7.4.40.0030.01516.42
7.4.30.0140.00716.34
7.4.20.0030.01516.30
7.4.10.0160.00616.54
7.4.00.0190.00316.27
7.3.330.0030.00416.19
7.3.320.0030.00313.17
7.3.310.0000.00616.35
7.3.300.0030.00316.23
7.3.290.0040.01016.34
7.3.280.0000.01416.29
7.3.260.0040.01316.29
7.3.230.0140.00716.54
7.3.210.0130.00416.38
7.3.200.0030.01516.43
7.3.190.0110.00716.27
7.3.180.0090.00916.40
7.3.170.0140.00916.45
7.3.160.0130.00616.55
7.3.150.0120.00816.27
7.3.140.0160.00616.53
7.3.130.0000.02216.30
7.3.120.0090.00916.34
7.3.110.0070.01116.57
7.3.100.0110.00716.33
7.3.90.0000.01816.38
7.3.80.0130.01216.47
7.3.70.0080.00916.41
7.3.60.0080.01116.03
7.3.50.0130.00916.21
7.3.40.0130.00416.49
7.3.30.0030.01416.34
7.3.20.0130.00816.43
7.3.10.0060.01116.32
7.3.00.0120.00616.43
7.2.330.0170.00016.56
7.2.320.0140.00316.63
7.2.310.0090.01216.65
7.2.300.0100.01316.39
7.2.290.0140.00716.54
7.2.280.0080.00816.24
7.2.270.0210.00016.58
7.2.260.0080.01216.45
7.2.250.0150.00616.71
7.2.240.0030.01516.66
7.2.230.0130.01016.64
7.2.220.0140.00916.54
7.2.210.0070.01516.51
7.2.200.0120.00616.34
7.2.190.0090.00916.46
7.2.180.0160.00316.29
7.2.170.0160.00316.52
7.2.160.0130.00716.57
7.2.150.0070.01116.44
7.2.140.0090.01216.52
7.2.130.0140.00716.50
7.2.120.0150.00516.70
7.2.110.0070.01416.58
7.2.100.0090.01416.56
7.2.90.0120.00916.61
7.2.80.0110.00816.83
7.2.70.0030.01316.40
7.2.60.0100.00716.45
7.2.50.0080.01116.43
7.2.40.0110.00816.51
7.2.30.0040.01916.63
7.2.20.0120.01216.43
7.2.10.0140.01016.60
7.2.00.0110.01116.49

preferences:
83.65 ms | 1508 KiB | 5 Q