3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( array("item_data"=>array(1,2,3)), array("item_data"=>array(4,5,6)), array("item_data"=>array(7,8,9)) ); function merge($prev, $now) { return array_merge($prev, $now['item_data']); } $res = array_reduce($arr, "merge", array()); print_r($res);

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)
8.3.60.0110.01118.43
8.3.50.0090.00922.92
8.3.40.0110.00418.66
8.3.30.0000.01318.91
8.3.20.0000.00720.29
8.3.10.0040.00423.66
8.3.00.0050.00319.25
8.2.180.0100.00716.75
8.2.170.0060.00922.96
8.2.160.0040.01122.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0000.00721.13
8.2.110.0030.00622.11
8.2.100.0040.00817.91
8.2.90.0040.00420.59
8.2.80.0040.00417.63
8.2.70.0080.00317.50
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0030.00518.28
8.2.30.0040.00418.06
8.2.20.0000.00817.69
8.2.10.0050.00217.99
8.2.00.0030.00517.73
8.1.280.0140.00425.92
8.1.270.0040.00423.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.45
8.1.230.0120.00022.64
8.1.220.0000.00917.74
8.1.210.0040.00420.53
8.1.200.0070.00317.23
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0030.00518.54
8.1.160.0000.00718.73
8.1.150.0050.00318.79
8.1.140.0000.00717.52
8.1.130.0080.00017.83
8.1.120.0030.00317.45
8.1.110.0040.00417.48
8.1.100.0120.00017.43
8.1.90.0000.00717.45
8.1.80.0090.00017.30
8.1.70.0000.00717.34
8.1.60.0060.00317.51
8.1.50.0000.00817.52
8.1.40.0060.00317.46
8.1.30.0040.00417.55
8.1.20.0070.00017.64
8.1.10.0000.00817.47
8.1.00.0000.00717.45
8.0.300.0000.00819.89
8.0.290.0000.00816.75
8.0.280.0030.00318.30
8.0.270.0030.00317.26
8.0.260.0000.00617.21
8.0.250.0070.00016.84
8.0.240.0040.00416.77
8.0.230.0000.00716.80
8.0.220.0030.00316.73
8.0.210.0000.00716.76
8.0.200.0060.00316.92
8.0.190.0030.00516.77
8.0.180.0040.00416.74
8.0.170.0000.00916.75
8.0.160.0070.00016.82
8.0.150.0000.00816.84
8.0.140.0070.00016.66
8.0.130.0050.00013.23
8.0.120.0000.00716.78
8.0.110.0070.00016.81
8.0.100.0000.00716.64
8.0.90.0000.00816.71
8.0.80.0070.01316.83
8.0.70.0040.00416.82
8.0.60.0000.00716.78
8.0.50.0050.00316.86
8.0.30.0160.00716.83
8.0.20.0090.01117.40
8.0.10.0000.00717.01
8.0.00.0090.00816.79
7.4.330.0030.00315.06
7.4.320.0030.00316.39
7.4.300.0030.00316.45
7.4.290.0000.00716.43
7.4.280.0000.00716.44
7.4.270.0040.00416.46
7.4.260.0070.00016.53
7.4.250.0040.00416.50
7.4.240.0050.00216.43
7.4.230.0000.00816.56
7.4.220.0090.00816.61
7.4.210.0030.01116.46
7.4.200.0070.00016.56
7.4.160.0120.00316.39
7.4.150.0090.00917.40
7.4.140.0140.01917.86
7.4.130.0120.00916.36
7.4.120.0120.00716.53
7.4.110.0080.00816.23
7.4.100.0120.01216.18
7.4.90.0080.01116.43
7.4.80.0150.00319.39
7.4.70.0060.00916.36
7.4.60.0170.00316.32
7.4.50.0000.00416.22
7.4.40.0110.00516.20
7.4.30.0110.00616.42
7.4.00.0060.00615.05
7.3.330.0060.00013.27
7.3.320.0020.00213.19
7.3.310.0020.00516.29
7.3.300.0030.00416.12
7.3.290.0100.00316.23
7.3.280.0090.00716.22
7.3.270.0140.02417.40
7.3.260.0190.00516.24
7.3.250.0100.00716.48
7.3.240.0060.01216.19
7.3.230.0150.00316.39
7.3.210.0120.01216.44
7.3.200.0100.00719.39
7.3.190.0100.00716.33
7.3.180.0030.01416.44
7.3.170.0030.01216.53
7.3.160.0110.00416.11
7.3.10.0100.00716.06
7.3.00.0070.00716.31
7.2.330.0100.00716.30
7.2.320.0080.00816.35
7.2.310.0100.00616.38
7.2.300.0060.01016.32
7.2.290.0090.00916.44
7.2.130.0030.00916.61
7.2.120.0230.00316.59
7.2.110.0100.01016.76
7.2.100.0140.00416.76
7.2.90.0100.00716.89
7.2.80.0130.00716.69
7.2.70.0170.00716.57
7.2.60.0120.00716.88
7.2.50.0100.00316.50
7.2.40.0140.01116.63
7.2.30.0160.01216.50
7.2.20.0120.00916.11
7.2.10.0140.01116.38
7.2.00.0190.00017.08
7.1.250.0130.00015.66
7.1.200.0120.00015.58
7.1.70.0100.00317.13
7.1.60.0090.01619.40
7.1.50.0090.01217.00
7.1.00.0030.07722.46
7.0.200.0090.00016.61
7.0.140.0070.07022.00
7.0.60.0130.04320.04
7.0.50.0100.05017.89
7.0.40.0030.04719.96
7.0.30.0700.06020.07
7.0.20.0330.06720.26
7.0.10.0070.04020.23
7.0.00.0070.05320.07
5.6.280.0070.07021.12
5.6.210.0000.05320.50
5.6.200.0100.03318.19
5.6.190.0100.07720.77
5.6.180.4000.04720.50
5.6.170.0130.04320.44
5.6.160.0170.05020.71
5.6.150.0130.04718.14
5.6.140.0070.05318.24
5.6.130.0070.07718.11
5.6.120.0070.05721.09
5.6.110.0030.08721.09
5.6.100.0100.08321.04
5.6.90.0070.06320.97
5.6.80.0100.03320.51
5.6.70.4570.04320.53
5.5.350.0130.07020.43
5.5.340.0030.05317.97
5.5.330.0100.07320.56
5.5.320.0430.07320.20
5.5.310.0300.03320.51
5.5.300.0130.05718.04
5.5.290.0070.08317.98
5.5.280.0000.04320.85
5.5.270.0100.09020.77
5.5.260.0070.08320.64
5.5.250.0100.08020.55
5.5.240.0030.08020.28
5.4.450.0100.04019.48
5.4.440.0100.08319.25
5.4.430.0100.07719.41
5.4.420.0100.04719.48
5.4.410.0000.09019.31
5.4.400.0030.05019.15
5.4.390.0000.06719.14
5.4.380.0100.05718.92
5.4.370.0130.03019.16
5.4.360.0030.04318.87
5.4.350.0070.07019.15
5.4.340.0130.06019.15
5.4.320.0070.06019.14
5.4.310.0130.07019.15
5.4.300.0030.06718.97
5.4.290.0100.07318.87
5.4.280.0030.05718.87
5.4.270.0000.07018.87
5.4.260.0070.05319.12
5.4.250.0000.05018.84
5.4.240.0100.07319.23
5.4.230.0130.07719.16
5.4.220.0070.06318.84
5.4.210.0100.04718.97
5.4.200.0030.04719.11
5.4.190.0070.07718.99
5.4.180.0100.06319.19
5.4.170.0070.04718.99
5.4.160.0000.05719.16
5.4.150.0030.04319.23
5.4.140.0070.04016.41
5.4.130.0030.08016.55
5.4.120.0030.07316.39
5.4.110.0100.04316.30
5.4.100.0130.05016.41
5.4.90.0200.05716.41
5.4.80.0100.07316.52
5.4.70.0100.07316.29
5.4.60.0070.06716.32
5.4.50.0070.05716.40
5.4.40.0070.07016.25
5.4.30.0070.07016.47
5.4.20.0170.06716.36
5.4.10.0070.05316.61
5.4.00.0100.07015.86
5.3.290.0100.07314.67
5.3.280.0030.06314.65
5.3.270.0030.06314.65
5.3.260.0070.04014.75
5.3.250.0030.03714.65
5.3.240.0070.06314.65
5.3.230.0030.07314.61
5.3.220.0030.06014.61
5.3.210.0170.03314.48
5.3.200.0030.08014.57
5.3.190.0130.07014.72
5.3.180.0100.07014.56
5.3.170.0100.07014.63
5.3.160.0030.07714.57
5.3.150.0100.07014.61
5.3.140.0030.04714.45
5.3.130.0030.07714.47
5.3.120.0170.04014.46
5.3.110.0100.07314.56
5.3.100.0000.08014.07
5.3.90.0030.06714.02
5.3.80.0030.08014.07
5.3.70.0130.07014.02
5.3.60.0130.06313.93
5.3.50.0030.04314.01
5.3.40.0100.07014.04
5.3.30.0030.04313.86
5.3.20.0200.06313.76
5.3.10.0030.05713.82
5.3.00.0030.07313.64
5.2.170.0000.06311.30
5.2.160.0070.06011.22
5.2.150.0070.05011.19
5.2.140.0030.06011.29
5.2.130.0170.03011.18
5.2.120.0030.03711.16
5.2.110.0000.03710.99
5.2.100.0070.05711.15
5.2.90.0100.04311.06
5.2.80.0070.04011.17
5.2.70.0030.04011.06
5.2.60.0070.02711.07
5.2.50.0100.06311.09
5.2.40.0070.03711.00
5.2.30.0000.06011.02
5.2.20.0070.04011.01
5.2.10.0130.04710.75
5.2.00.0070.04310.86
5.1.60.0030.03010.05
5.1.50.0000.05310.07
5.1.40.0070.0479.98
5.1.30.0070.05710.33
5.1.20.0070.02310.39
5.1.10.0030.02710.09
5.1.00.0030.0279.98
5.0.50.0000.0378.61
5.0.40.0100.0378.38
5.0.30.0000.0608.24
5.0.20.0030.0278.26
5.0.10.0000.0408.32
5.0.00.0000.0378.13
4.4.90.0030.0307.22
4.4.80.0030.0237.22
4.4.70.0030.0207.22
4.4.60.0000.0377.22
4.4.50.0000.0207.22
4.4.40.0070.0537.22
4.4.30.0070.0177.22
4.4.20.0000.0177.22
4.4.10.0030.0377.22
4.4.00.0000.0577.22
4.3.110.0070.0337.22
4.3.100.0070.0177.22
4.3.90.0030.0337.22
4.3.80.0030.0577.22
4.3.70.0100.0277.22
4.3.60.0030.0337.22
4.3.50.0030.0237.22
4.3.40.0000.0537.22
4.3.30.0000.0277.22
4.3.20.0070.0407.22
4.3.10.0000.0207.22
4.3.00.0000.0377.22

preferences:
48.56 ms | 401 KiB | 5 Q