3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array=[ ['invoice_id'=>'WUI_588','email'=>'abc@hotmail.com'], ['invoice_id'=>'WUI_588','email'=>'def@hotmail.com'], ['invoice_id'=>'WUI_589','email'=>'ninja@hotmail.com'], ['invoice_id'=>'WUI_589','email'=>'ghi@hotmail.com'], ['invoice_id'=>'WUI_590','email'=>'123@hotmail.com'], ['invoice_id'=>'WUI_590','email'=>'123@hotmail.com'], ['invoice_id'=>'WUI_591','email'=>'456@hotmail.com'], ['invoice_id'=>'WUI_591','email'=>'456@hotmail.com'] ]; foreach($array as $row){ // iterate all rows if(!isset($result[$row['invoice_id']])){ // if first occurrence of invoice_id... $result[$row['invoice_id']]=$row; // save the full row with invoice_id as the temporary key }else{ // if not the first occurrence of invoice_id... $result[$row['invoice_id']]['email'].=", {$row['email']}"; // concatenate the email value } } var_export(array_values($result));

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)
8.4.130.0070.00417.41
8.4.120.0120.00920.38
8.4.110.0120.00919.49
8.4.100.0100.00217.80
8.4.90.0130.00720.68
8.4.80.0090.00918.12
8.4.70.0060.00217.80
8.4.60.0060.00218.89
8.4.50.0110.00918.74
8.4.40.0130.00617.43
8.4.30.0030.00717.52
8.4.20.0000.00922.28
8.4.10.0030.00617.64
8.3.260.0110.00816.54
8.3.250.0070.00119.18
8.3.240.0100.00918.43
8.3.230.0100.00816.63
8.3.220.0100.00919.08
8.3.210.0150.00616.54
8.3.200.0100.00816.49
8.3.190.0120.00717.39
8.3.180.0110.00816.81
8.3.170.0110.00816.57
8.3.160.0100.01017.27
8.3.150.0060.00917.28
8.3.140.0090.00616.80
8.3.130.0030.00618.45
8.3.120.0040.00418.98
8.3.110.0130.00020.94
8.3.100.0060.00324.06
8.3.90.0040.00426.77
8.3.80.0060.00316.86
8.3.70.0100.01016.75
8.3.60.0110.01118.43
8.3.50.0120.00817.32
8.3.40.0040.01118.76
8.3.30.0070.01018.44
8.3.20.0000.00720.15
8.3.10.0050.00323.61
8.3.00.0040.00419.68
8.2.290.0060.00516.55
8.2.280.0080.00218.31
8.2.270.0100.00716.50
8.2.260.0100.00720.18
8.2.250.0030.00518.26
8.2.240.0100.00318.85
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0100.00726.77
8.2.200.0060.00316.63
8.2.190.0040.01116.58
8.2.180.0130.01025.92
8.2.170.0070.01418.99
8.2.160.0040.01122.96
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00421.00
8.2.110.0040.00422.11
8.2.100.0110.00017.97
8.2.90.0050.00319.36
8.2.80.0040.00417.97
8.2.70.0080.00018.04
8.2.60.0080.00018.05
8.2.50.0000.00718.16
8.2.40.0040.00420.42
8.2.30.0020.00519.24
8.2.20.0040.00418.20
8.2.10.0000.00718.11
8.2.00.0040.00418.34
8.1.330.0120.00616.01
8.1.320.0130.00716.03
8.1.310.0060.00316.75
8.1.300.0180.00020.34
8.1.290.0030.00730.84
8.1.280.0100.01025.92
8.1.270.0070.00022.23
8.1.260.0080.00026.35
8.1.250.0130.00628.09
8.1.240.0030.00622.07
8.1.230.0030.00719.09
8.1.220.0030.00717.76
8.1.210.0000.00818.77
8.1.200.0040.00417.38
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0050.00318.16
8.1.160.0050.00218.77
8.1.150.0000.00720.26
8.1.140.0040.00417.62
8.1.130.0000.00718.99
8.1.120.0050.00317.51
8.1.110.0070.00017.49
8.1.100.0080.00017.46
8.1.90.0000.00817.50
8.1.80.0040.00417.45
8.1.70.0030.00317.52
8.1.60.0040.00417.59
8.1.50.0030.00517.50
8.1.40.0080.00017.55
8.1.30.0040.00417.66
8.1.20.0000.00817.55
8.1.10.0050.00317.56
8.1.00.0040.00417.52
8.0.300.0030.00518.77
8.0.290.0070.00016.63
8.0.280.0000.00818.33
8.0.270.0030.00316.83
8.0.260.0050.00216.82
8.0.250.0030.00616.86
8.0.240.0000.00816.95
8.0.230.0030.00616.88
8.0.220.0000.00716.80
8.0.210.0040.00416.79
8.0.200.0000.00816.94
8.0.190.0050.00316.83
8.0.180.0070.00016.96
8.0.170.0000.00816.91
8.0.160.0040.00416.93
8.0.150.0080.00016.81
8.0.140.0080.00016.77
8.0.130.0050.00213.41
8.0.120.0090.00016.88
8.0.110.0040.00416.84
8.0.100.0070.00016.85
8.0.90.0030.00516.90
8.0.80.0080.01216.84
8.0.70.0050.00316.81
8.0.60.0040.00416.68
8.0.50.0030.00516.81
8.0.30.0120.00617.10
8.0.20.0090.01017.40
8.0.10.0040.00416.93
8.0.00.0080.01016.74
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0000.00616.50
7.4.290.0040.00416.65
7.4.280.0080.00016.48
7.4.270.0000.00716.57
7.4.260.0050.00316.46
7.4.250.0030.00616.57
7.4.240.0050.00216.58
7.4.230.0030.00316.63
7.4.220.0000.00716.42
7.4.210.0090.00616.49
7.4.200.0030.00316.64
7.4.160.0090.00816.57
7.4.150.0140.00417.40
7.4.140.0100.00917.86
7.4.130.0090.00916.52
7.4.120.0110.01116.47
7.4.110.0090.00916.55
7.4.100.0070.01516.48
7.4.90.0100.00716.62
7.4.80.0130.00319.39
7.4.70.0070.01316.54
7.4.60.0090.00916.45
7.4.50.0090.00616.43
7.4.40.0000.01716.71
7.4.00.0070.00915.16
7.3.330.0060.00013.20
7.3.320.0030.00313.18
7.3.310.0040.00416.16
7.3.300.0000.00716.32
7.3.290.0090.00716.33
7.3.280.0100.00816.28
7.3.270.0040.01217.40
7.3.260.0090.01016.41
7.3.240.0090.01116.51
7.3.230.0030.01316.40
7.3.210.0070.01016.39
7.3.200.0110.00516.37
7.3.190.0060.00916.44
7.3.180.0080.00816.46
7.3.170.0060.01616.55
7.3.160.0150.00616.57
7.3.120.0070.01014.91
7.3.110.0130.00314.89
7.3.100.0030.01414.80
7.3.90.0060.00914.57
7.3.80.0060.00614.77
7.3.70.0110.00614.53
7.3.60.0080.00415.02
7.3.50.0060.01014.90
7.3.40.0030.00714.84
7.3.30.0000.01314.77
7.3.20.0060.00916.65
7.3.10.0050.00516.55
7.3.00.0040.00416.63
7.2.330.0090.00916.64
7.2.320.0070.01116.78
7.2.310.0030.01316.81
7.2.300.0060.01016.62
7.2.290.0190.00316.65
7.2.250.0130.00615.22
7.2.240.0130.00615.09
7.2.230.0030.00714.91
7.2.220.0040.01115.30
7.2.210.0060.00915.18
7.2.200.0060.00915.03
7.2.190.0000.01214.84
7.2.180.0110.00415.00
7.2.170.0040.01114.99
7.2.80.0070.00416.70
7.2.60.0070.00717.02
7.2.20.0170.01318.25
7.2.10.0170.00918.21
7.2.00.0130.01618.17
7.1.330.0040.01115.79
7.1.320.0060.00615.84
7.1.310.0030.01215.93
7.1.300.0060.00915.94
7.1.290.0030.00715.71
7.1.280.0000.00915.84
7.1.270.0040.00815.86
7.1.260.0030.01015.75
7.1.200.0070.00715.86
7.1.140.0120.01217.05
7.1.130.0120.01416.85
7.1.120.0130.01317.06
7.1.110.0100.01416.50
7.1.100.0140.01016.36
7.1.90.0130.01416.33
7.1.80.0120.01116.40
7.1.70.0170.01415.57
7.1.60.0270.01333.25
7.1.50.0380.01432.76
7.1.40.0320.01732.53
7.1.30.0290.02532.59
7.1.20.0320.01832.98
7.1.10.0120.01214.86
7.1.00.0150.01215.03

preferences:
37.37 ms | 403 KiB | 5 Q