3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1=array( array("key1"=>"value1","key2"=>"value2","key3"=>"value3") ); $array2=array("key4"=>"value4","key5"=>"value5","key6"=>"value6"); $array3=array(array_merge($array1[0],$array2)); var_dump($array3);

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)
8.5.10.0100.00620.09
8.5.00.0140.00620.05
8.4.150.0020.00114.05
8.4.140.0120.00817.45
8.4.130.0120.00817.46
8.4.120.0120.00820.57
8.4.110.0140.00522.42
8.4.100.0150.00617.64
8.4.90.0110.00918.47
8.4.80.0060.00419.46
8.4.70.0160.00617.60
8.4.60.0170.00518.53
8.4.50.0130.00720.24
8.4.40.0040.00420.95
8.4.30.0130.00617.38
8.4.20.0150.00617.76
8.4.10.0000.02020.34
8.3.280.0170.00518.39
8.3.270.0150.00416.64
8.3.260.0110.00816.44
8.3.250.0120.00718.67
8.3.240.0130.00716.38
8.3.230.0050.00516.68
8.3.220.0050.00317.15
8.3.210.0130.00716.56
8.3.200.0050.00316.59
8.3.190.0060.00416.77
8.3.180.0130.00616.50
8.3.170.0120.00616.61
8.3.160.0140.00418.38
8.3.150.0070.01117.19
8.3.140.0150.00016.33
8.3.130.0030.01316.22
8.3.120.0040.01120.75
8.3.110.0040.00416.73
8.3.100.0060.01018.29
8.3.90.0000.00826.77
8.3.80.0060.00318.18
8.3.70.0040.01418.43
8.3.60.0330.00922.78
8.3.50.0090.01223.92
8.3.40.0260.00823.50
8.3.30.0230.01123.52
8.3.20.0200.01323.58
8.3.10.0250.00524.49
8.3.00.0180.00724.76
8.2.290.0120.00720.36
8.2.280.0110.00720.09
8.2.270.0190.00016.58
8.2.260.0070.01116.52
8.2.250.0060.00318.38
8.2.240.0060.00317.34
8.2.230.0090.00920.94
8.2.220.0070.01324.06
8.2.210.0060.00326.77
8.2.200.0000.00816.38
8.2.190.0100.01016.58
8.2.180.0250.00623.44
8.2.170.0270.00624.94
8.2.160.0240.00924.25
8.2.150.0270.00725.34
8.2.140.0280.00525.50
8.2.130.0190.01326.00
8.2.120.0290.00624.30
8.2.110.0330.00323.70
8.2.100.0300.00823.25
8.2.90.0320.00523.29
8.2.80.0240.00523.27
8.2.70.0230.00723.20
8.2.60.0180.01123.22
8.2.50.0210.00923.30
8.2.40.0250.00623.38
8.2.30.0280.00523.30
8.2.20.0260.00623.15
8.2.10.0200.00723.29
8.2.00.0220.00823.35
8.1.330.0140.00521.91
8.1.320.0120.00716.11
8.1.310.0110.00416.23
8.1.300.0030.00718.41
8.1.290.0030.00630.84
8.1.280.0260.01025.92
8.1.270.0240.00925.27
8.1.260.0270.00626.06
8.1.250.0230.00926.64
8.1.240.0240.00424.63
8.1.230.0280.00524.25
8.1.220.0210.01023.19
8.1.210.0260.01123.54
8.1.200.0220.00923.06
8.1.190.0220.00823.06
8.1.180.0220.00923.31
8.1.170.0240.00723.43
8.1.160.0270.00623.56
8.1.150.0200.01023.54
8.1.140.0220.00923.80
8.1.130.0260.00723.57
8.1.120.0260.01023.11
8.1.110.0240.00623.09
8.1.100.0250.00623.06
8.1.90.0250.00823.09
8.1.80.0190.00823.10
8.1.70.0230.00323.10
8.1.60.0220.00823.13
8.1.50.0240.01123.09
8.1.40.0270.01023.12
8.1.30.0300.00623.13
8.1.20.0310.00323.14
8.1.10.0250.00823.14
8.1.00.0230.00823.10
8.0.300.0220.00823.95
8.0.290.0220.00722.82
8.0.280.0220.00623.41
8.0.270.0220.00822.85
8.0.260.0250.00723.38
8.0.250.0250.00722.93
8.0.240.0220.00922.94
8.0.230.0220.00622.91
8.0.220.0210.00622.92
8.0.210.0220.00722.86
8.0.200.0210.00922.92
8.0.190.0210.01022.94
8.0.180.0290.00822.91
8.0.170.0220.00822.88
8.0.160.0220.00722.91
8.0.150.0220.00722.85
8.0.140.0240.00622.86
8.0.130.0220.00821.73
8.0.120.0180.00720.50
8.0.110.0230.00520.49
8.0.100.0210.00420.48
8.0.90.0210.00620.48
8.0.80.0270.00520.53
8.0.70.0200.00420.53
8.0.60.0140.00820.45
8.0.50.0190.00420.48
8.0.30.0160.00719.84
8.0.20.0130.01119.25
8.0.10.0210.00220.52
8.0.00.0130.00420.51
7.4.330.0160.01022.31
7.4.320.0170.01022.79
7.4.300.0200.00522.82
7.4.290.0250.00522.81
7.4.280.0250.00722.80
7.4.270.0240.00422.78
7.4.260.0230.00422.78
7.4.250.0190.00620.39
7.4.240.0150.00719.63
7.4.230.0180.00620.44
7.4.220.0200.00920.35
7.4.210.0190.00619.11
7.4.200.0190.00820.41
7.4.190.0280.00221.72
7.4.180.0230.00921.72
7.4.160.0170.00719.60
7.4.150.0230.00320.62
7.4.140.0190.00520.14
7.4.130.0190.00719.62
7.4.120.0180.00819.59
7.4.110.0200.00620.40
7.4.100.0180.00720.37
7.4.90.0200.00620.36
7.4.80.0180.00921.09
7.4.70.0180.01020.37
7.4.60.0180.00720.42
7.4.50.0180.00820.37
7.4.40.0210.00820.30
7.4.30.0200.00720.45
7.4.20.0220.00520.34
7.4.10.0190.00720.38
7.4.00.0170.00819.30
7.3.330.0190.00821.67
7.3.320.0170.00719.48
7.3.310.0200.00420.31
7.3.300.0190.00620.26
7.3.290.0210.00520.24
7.3.280.0140.00818.24
7.3.270.0230.00520.59
7.3.260.0180.00719.51
7.3.250.0190.00718.94
7.3.240.0180.00719.53
7.3.230.0240.00320.28
7.3.220.0270.00421.65
7.3.210.0200.00720.27
7.3.200.0230.00420.22
7.3.190.0200.00820.31
7.3.180.0220.00620.26
7.3.170.0210.00620.22
7.3.160.0200.00920.32
7.3.150.0230.00821.65
7.3.140.0230.00720.24
7.3.130.0200.00720.28
7.3.120.0180.00620.27
7.3.110.0220.00620.26
7.3.100.0200.01020.21
7.3.90.0210.00820.32
7.3.80.0210.00520.26
7.3.70.0210.00620.35
7.3.60.0220.00520.30
7.3.50.0200.00620.33
7.3.40.0170.00920.33
7.3.30.0190.00820.28
7.3.20.0200.00820.76
7.3.10.0210.00620.80
7.3.00.0210.00720.77
7.2.340.0220.00721.63
7.2.330.0250.00520.33
7.2.320.0220.00820.39
7.2.310.0200.00620.35
7.2.300.0210.00720.39
7.2.290.0210.00620.29
7.2.280.0250.00621.63
7.2.270.0220.00720.31
7.2.260.0210.00820.36
7.2.250.0220.00620.26
7.2.240.0200.00720.31
7.2.230.0230.00520.39
7.2.220.0220.00420.35
7.2.210.0190.00720.29
7.2.200.0230.00520.37
7.2.190.0180.01020.33
7.2.180.0170.01020.34
7.2.170.0180.00820.41
7.2.160.0200.00520.42
7.2.150.0250.00420.80
7.2.140.0240.00420.84
7.2.130.0220.00720.87
7.2.120.0220.00820.77
7.2.110.0260.00420.83
7.2.100.0200.00820.81
7.2.90.0210.00520.79
7.2.80.0200.00820.80
7.2.70.0190.00720.74
7.2.60.0190.00519.99
7.2.50.0250.00320.78
7.2.40.0240.00720.78
7.2.30.0240.00620.81
7.2.20.0230.00620.77
7.2.10.0190.00920.83
7.2.00.0220.00620.53
7.1.330.0210.00720.37
7.1.320.0220.00520.37
7.1.310.0200.00720.38
7.1.300.0200.00620.37
7.1.290.0170.00920.36
7.1.280.0220.00720.32
7.1.270.0210.00720.36
7.1.260.0190.00920.37
7.1.250.0250.00520.31
7.1.240.0220.00620.33
7.1.230.0220.00520.32
7.1.220.0230.00520.32
7.1.210.0220.00420.38
7.1.200.0150.00819.44
7.1.190.0230.00820.36
7.1.180.0210.00520.30
7.1.170.0190.00720.35
7.1.160.0210.00620.34
7.1.150.0160.00920.32
7.1.140.0200.00620.38
7.1.130.0220.00720.38
7.1.120.0210.00620.32
7.1.110.0180.00719.86
7.1.100.0180.00819.79
7.1.90.0200.00719.87
7.1.80.0190.00719.87
7.1.70.0140.00819.24
7.1.60.0180.00822.21
7.1.50.0220.01023.25
7.1.40.0220.00623.06
7.1.30.0200.00723.22
7.1.20.0210.00923.16
7.1.10.0190.00719.58
7.1.00.0170.01720.02
7.0.330.0220.00420.17
7.0.320.0200.00520.20
7.0.310.0210.00720.19
7.0.300.0210.00720.22
7.0.290.0180.01020.27
7.0.280.0180.00820.26
7.0.270.0220.00520.18
7.0.260.0220.00420.14
7.0.250.0140.01119.72
7.0.240.0190.00619.74
7.0.230.0200.00719.73
7.0.220.0170.00819.78
7.0.210.0190.00619.54
7.0.200.0200.01018.74
7.0.190.0200.00719.53
7.0.180.0160.01019.42
7.0.170.0170.00919.40
7.0.160.0180.00719.41
7.0.150.0170.00819.39
7.0.140.0180.00619.36
7.0.130.0150.00819.43
7.0.120.0190.00719.47
7.0.110.0160.00819.42
7.0.100.0160.01519.80
7.0.90.0190.01319.79
7.0.80.0170.01519.76
7.0.70.0180.02019.76
7.0.60.0150.01519.74
7.0.50.0180.01719.83
7.0.40.0140.01619.89
7.0.30.0140.02019.88
7.0.20.0130.01919.91
7.0.10.0160.01519.87
7.0.00.0170.01819.87
5.6.400.0170.01020.08
5.6.390.0190.00620.03
5.6.380.0190.00719.97
5.6.370.0180.00920.04
5.6.360.0180.00920.13
5.6.350.0210.00920.07
5.6.340.0230.00620.10
5.6.330.0220.00620.01
5.6.320.0170.00820.01
5.6.310.0220.00419.98
5.6.300.0150.01920.08
5.6.290.0190.01820.11
5.6.280.0190.01520.11
5.6.270.0160.01720.14
5.6.260.0190.01620.17
5.6.250.0150.02320.28
5.6.240.0180.02420.21
5.6.230.0180.02720.23
5.6.220.0130.02620.19
5.6.210.0160.02420.19
5.6.200.0150.03120.25
5.6.190.0150.02620.31
5.6.180.0160.02820.30
5.6.170.0160.02720.32
5.6.160.0150.02120.29
5.6.150.0130.02420.36
5.6.140.0120.02820.26
5.6.130.0180.02420.30
5.6.120.0180.02620.29
5.6.110.0180.02720.28
5.6.100.0180.02620.23
5.6.90.0150.02720.24
5.6.80.0140.02420.00
5.6.70.0140.02320.09
5.6.60.0150.02420.07
5.6.50.0150.03120.08
5.6.40.0130.02620.12
5.6.30.0170.02620.04
5.6.20.0190.02420.09
5.6.10.0200.02020.06
5.6.00.0150.02320.05

preferences:
147.06 ms | 403 KiB | 5 Q