3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(0 => 'zero_a', 2 => 'two_a', 3 => 'three_a'); $array2 = array(1 => 'one_b', 3 => 'three_b', 4 => 'four_b'); $result = $array1 + $array2; var_dump($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)
8.3.60.0090.00618.06
8.3.50.0100.00821.14
8.3.40.0070.00718.72
8.3.30.0040.01120.07
8.3.20.0100.00020.21
8.3.10.0040.00422.09
8.3.00.0050.00322.52
8.2.180.0150.00016.63
8.2.170.0100.01322.96
8.2.160.0090.01322.09
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.78
8.2.110.0050.00521.18
8.2.100.0030.00717.72
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0100.00348.41
8.2.60.0050.00848.57
8.2.50.0070.00648.77
8.2.40.0090.00349.96
8.2.30.0100.00338.66
8.2.20.0120.00138.18
8.2.10.0120.00338.21
8.2.00.0100.00338.21
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00021.12
8.1.230.0080.00320.17
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00848.21
8.1.190.0060.00648.22
8.1.180.0080.00448.71
8.1.170.0080.00548.92
8.1.160.0090.00438.56
8.1.150.0070.00738.95
8.1.140.0130.00138.04
8.1.130.0080.00538.19
8.1.120.0090.00438.04
8.1.110.0090.00438.08
8.1.100.0120.00238.03
8.1.90.0080.00538.03
8.1.80.0090.00538.04
8.1.70.0080.00538.05
8.1.60.0150.00038.13
8.1.50.0130.00238.08
8.1.40.0100.00538.10
8.1.30.0100.00538.13
8.1.20.0090.00538.13
8.1.10.0070.00838.06
8.1.00.0090.00738.06
8.0.300.0040.00418.77
8.0.290.0060.00648.04
8.0.280.0080.00538.40
8.0.270.0130.00137.96
8.0.260.0110.00337.85
8.0.250.0110.00237.92
8.0.240.0080.00637.92
8.0.230.0120.00537.90
8.0.220.0070.00637.91
8.0.210.0090.00637.91
8.0.200.0090.00437.93
8.0.190.0110.00237.94
8.0.180.0060.00837.91
8.0.170.0060.00937.91
8.0.160.0080.00537.86
8.0.150.0080.00637.89
8.0.140.0110.00437.91
8.0.130.0090.00436.71
8.0.120.0080.00537.90
8.0.110.0080.00537.87
8.0.100.0080.00432.60
8.0.90.0080.00532.60
8.0.80.0050.01032.68
8.0.70.0080.00432.63
8.0.60.0090.00332.66
8.0.50.0090.00332.63
8.0.30.0100.00629.50
8.0.20.0070.00829.67
8.0.10.0080.00432.71
8.0.00.0070.01129.41
7.4.330.0060.00437.27
7.4.320.0080.00537.75
7.4.300.0100.00337.78
7.4.290.0090.00437.74
7.4.280.0080.00537.77
7.4.270.0090.00537.75
7.4.260.0100.00236.70
7.4.250.0090.00537.74
7.4.240.0060.00632.45
7.4.230.0050.00632.50
7.4.220.0110.00332.49
7.4.210.0080.00625.59
7.4.200.0040.00732.42
7.4.190.0070.00332.51
7.4.180.0090.00337.81
7.4.160.0090.00432.39
7.4.150.0070.00732.64
7.4.140.0100.00729.79
7.4.130.0120.00329.16
7.4.120.0100.00529.19
7.4.110.0100.00432.35
7.4.100.0090.00532.41
7.4.90.0080.00532.37
7.4.80.0080.00533.16
7.4.70.0090.00532.33
7.4.60.0090.00532.38
7.4.50.0050.00632.36
7.4.40.0080.00433.98
7.4.30.0080.00632.35
7.4.20.0130.00332.40
7.4.10.0070.00932.32
7.4.00.0070.00728.94
7.3.330.0080.00436.64
7.3.320.0110.00236.64
7.3.310.0060.00637.62
7.3.300.0060.00532.32
7.3.290.0090.00532.30
7.3.280.0080.00626.95
7.3.270.0080.00632.58
7.3.260.0080.00632.27
7.3.250.0060.01029.11
7.3.240.0110.00432.39
7.3.230.0090.00532.36
7.3.220.0080.00637.67
7.3.210.0080.00632.38
7.3.200.0070.00633.09
7.3.190.0070.00732.27
7.3.180.0100.00432.31
7.3.170.0080.00832.31
7.3.160.0090.00532.29
7.3.150.0100.00337.62
7.3.140.0100.00632.26
7.3.130.0070.00832.25
7.3.120.0080.00628.85
7.3.110.0100.00332.30
7.3.100.0060.00832.26
7.3.90.0080.00632.38
7.3.80.0090.00632.29
7.3.70.0070.00732.26
7.3.60.0060.00832.29
7.3.50.0080.00632.32
7.3.40.0060.00732.31
7.3.30.0120.00332.37
7.3.20.0110.00332.39
7.3.10.0100.00532.35
7.3.00.0120.00728.87
7.2.340.0120.00437.68
7.2.330.0120.00432.32
7.2.320.0130.00632.38
7.2.310.0130.00332.28
7.2.300.0100.00632.39
7.2.290.0110.00432.34
7.2.280.0120.00337.65
7.2.270.0140.00332.33
7.2.260.0130.00432.31
7.2.250.0120.00332.35
7.2.240.0110.00432.32
7.2.230.0070.00832.29
7.2.220.0110.00532.32
7.2.210.0100.00632.27
7.2.200.0130.00332.38
7.2.190.0090.00632.36
7.2.180.0110.00432.37
7.2.170.0080.00832.30
7.2.160.0100.00532.35
7.2.150.0100.00632.46
7.2.140.0080.00932.52
7.2.130.0130.00529.00
7.2.120.0450.01026.50
7.2.110.0350.00724.80
7.2.100.0280.00524.81
7.2.90.0340.00624.80
7.2.80.0220.00623.85
7.2.70.0280.00924.87
7.2.60.0240.00623.84
7.2.50.0340.00724.86
7.2.40.0370.00724.96
7.2.30.0210.00624.86
7.2.20.0240.00724.92
7.2.10.0360.00424.91
7.2.00.0260.00724.28
7.1.330.0090.00631.95
7.1.320.0110.00631.91
7.1.310.0140.00531.85
7.1.300.0090.00631.80
7.1.290.0110.00431.90
7.1.280.0110.00431.87
7.1.270.0120.00431.95
7.1.260.0100.00531.83
7.1.250.0150.00428.26
7.1.240.0200.00625.78
7.1.230.0290.00624.11
7.1.220.0310.00624.11
7.1.210.0330.00724.10
7.1.200.0300.00623.03
7.1.190.0330.00524.12
7.1.180.0290.00524.11
7.1.170.0300.00724.04
7.1.160.0390.00824.16
7.1.150.0290.00824.13
7.1.140.0320.00624.05
7.1.130.0240.00524.12
7.1.120.0380.00424.05
7.1.110.0330.00724.08
7.1.100.0250.00623.40
7.1.90.0360.00424.09
7.1.80.0270.00724.15
7.1.70.0160.00523.20
7.1.60.0270.00625.75
7.1.50.0230.00625.34
7.1.40.0230.00526.70
7.1.30.0340.00526.63
7.1.20.0300.00626.72
7.1.10.0280.00624.11
7.1.00.0270.01123.91
7.0.330.0170.00428.16
7.0.320.0240.00525.69
7.0.310.0330.00523.85
7.0.300.0280.00823.94
7.0.290.0230.00623.88
7.0.280.0320.00623.90
7.0.270.0370.00623.90
7.0.260.0280.00723.91
7.0.250.0290.00823.92
7.0.240.0290.00623.92
7.0.230.0320.00623.94
7.0.220.0340.00323.85
7.0.210.0210.00523.91
7.0.200.0250.00722.90
7.0.190.0270.01123.94
7.0.180.0310.00723.95
7.0.170.0290.00723.95
7.0.160.0660.00623.85
7.0.150.0190.00723.85
7.0.140.0270.01423.72
7.0.130.0330.00723.90
7.0.120.0280.00823.96
7.0.110.0300.00923.42
7.0.100.0300.01123.36
7.0.90.0280.01123.42
7.0.80.0240.01223.48
7.0.70.0270.01023.37
7.0.60.0240.01323.42
7.0.50.0270.01223.53
7.0.40.0210.01323.47
7.0.30.0220.01123.43
7.0.20.0310.00923.51
7.0.10.0240.01423.45
7.0.00.0310.01223.44
5.6.400.0070.00932.06
5.6.390.0110.00532.13
5.6.380.0080.00724.29
5.6.370.0140.00524.31
5.6.360.0120.00724.35
5.6.350.0110.00724.36
5.6.340.0100.00824.31
5.6.330.0130.00524.41
5.6.320.0090.00824.36
5.6.310.0120.00624.43
5.6.300.0080.00924.45
5.6.290.0110.00824.40
5.6.280.0130.01324.06
5.6.270.0100.00824.41
5.6.260.0080.01823.98
5.6.250.0100.01023.96
5.6.240.0110.01023.94
5.6.230.0090.01423.88
5.6.220.0090.01223.95
5.6.210.0090.01523.93
5.6.200.0100.01123.97
5.6.190.0090.01223.98
5.6.180.0120.01324.00
5.6.170.0100.01423.99
5.6.160.0110.01423.98
5.6.150.0100.01423.98
5.6.140.0100.01524.03
5.6.130.0120.01323.98
5.6.120.0110.01123.98
5.6.110.0100.01223.93
5.6.100.0120.01523.96
5.6.90.0110.01323.99
5.6.80.0090.01223.88
5.6.70.0100.01323.86
5.6.60.0110.01223.83
5.6.50.0120.01323.78
5.6.40.0090.01623.79
5.6.30.0100.01423.90
5.6.20.0100.01623.88
5.6.10.0110.01423.83
5.6.00.0080.01123.93
5.5.380.0100.00922.64
5.5.370.0090.00922.71
5.5.360.0080.01222.70
5.5.350.0090.01122.77
5.5.340.0090.01122.73
5.5.330.0110.00922.73
5.5.320.0090.01022.70
5.5.310.0100.01022.81
5.5.300.0100.01522.76
5.5.290.0060.01622.75
5.5.280.0090.01122.78
5.5.270.0110.01222.70
5.5.260.0080.01622.77
5.5.250.0120.01222.67
5.5.240.0100.01022.65
5.5.230.0080.01422.56
5.5.220.0080.01522.61
5.5.210.0090.00922.67
5.5.200.0080.01422.60
5.5.190.0090.01222.61
5.5.180.0100.00822.71
5.5.170.0110.00523.87
5.5.160.0080.01322.59
5.5.150.0060.01822.60
5.5.140.0070.01522.59
5.5.130.0120.01022.62
5.5.120.0090.01222.61
5.5.110.0090.01422.65
5.5.100.0070.01622.63
5.5.90.0100.01522.58
5.5.80.0080.01522.58
5.5.70.0110.01322.59
5.5.60.0110.01422.59
5.5.50.0070.01222.60
5.5.40.0100.01422.61
5.5.30.0060.01222.64
5.5.20.0090.01322.62
5.5.10.0080.01122.54
5.5.00.0080.01022.61
5.4.450.0060.01421.74
5.4.440.0090.01221.77
5.4.430.0090.01121.75
5.4.420.0070.01021.75
5.4.410.0070.01121.66
5.4.400.0060.01421.69
5.4.390.0070.01021.69
5.4.380.0080.01221.69
5.4.370.0070.01521.67
5.4.360.0080.01321.68
5.4.350.0070.01221.69
5.4.340.0080.01321.67
5.4.330.0090.00422.10
5.4.320.0090.01121.66
5.4.310.0090.01221.64
5.4.300.0080.01321.75
5.4.290.0060.01421.68
5.4.280.0060.01521.71
5.4.270.0070.01421.68
5.4.260.0080.01321.71
5.4.250.0070.01121.63
5.4.240.0050.01521.70
5.4.230.0090.01321.57
5.4.220.0080.01221.65
5.4.210.0070.01521.60
5.4.200.0080.01121.65
5.4.190.0080.01321.67
5.4.180.0080.00921.69
5.4.170.0070.01521.63
5.4.160.0080.00921.64
5.4.150.0090.01121.65
5.4.140.0060.01521.31
5.4.130.0060.01321.39
5.4.120.0060.01021.37
5.4.110.0080.01021.31
5.4.100.0080.01221.40
5.4.90.0070.01321.35
5.4.80.0090.01321.40
5.4.70.0070.01121.36
5.4.60.0070.01421.33
5.4.50.0070.01521.34
5.4.40.0060.01621.39
5.4.30.0080.01321.34
5.4.20.0060.01521.32
5.4.10.0060.01421.31
5.4.00.0080.01121.23
5.3.290.0080.01221.14
5.3.280.0080.01321.10
5.3.270.0060.01221.12
5.3.260.0070.01221.15
5.3.250.0070.01021.15
5.3.240.0060.01321.04
5.3.230.0070.01321.09
5.3.220.0070.01221.01
5.3.210.0070.01421.00
5.3.200.0060.00921.02
5.3.190.0060.01421.04
5.3.180.0080.01421.11
5.3.170.0060.01421.19
5.3.160.0060.01521.16
5.3.150.0080.01421.10
5.3.140.0090.01221.09
5.3.130.0070.01521.04
5.3.120.0070.01321.05
5.3.110.0070.01521.10
5.3.100.0060.01521.01
5.3.90.0060.01320.97
5.3.80.0070.01420.92
5.3.70.0060.01220.95
5.3.60.0070.01321.01
5.3.50.0050.01120.94
5.3.40.0060.01020.97
5.3.30.0070.01320.96
5.3.20.0070.01220.88
5.3.10.0070.01220.85
5.3.00.0070.01120.81

preferences:
55.11 ms | 400 KiB | 5 Q