3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=["a","b","c"]; $b=["uu","yy","zz"]; $c=array_merge($a,$b); var_dump($c);

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)
8.3.60.0130.00616.63
8.3.50.0070.01522.91
8.3.40.0070.00718.54
8.3.30.0120.00318.84
8.3.20.0090.00020.26
8.3.10.0060.00321.78
8.3.00.0040.00418.96
8.2.180.0140.00416.38
8.2.170.0060.00922.96
8.2.160.0200.00020.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0070.00320.39
8.2.100.0080.00417.72
8.2.90.0000.00817.72
8.2.80.0050.00319.16
8.2.70.0030.00517.80
8.2.60.0000.00817.80
8.2.50.0040.00418.22
8.2.40.0090.00020.46
8.2.30.0000.00719.30
8.2.20.0000.00717.61
8.2.10.0040.00418.06
8.2.00.0040.00417.54
8.1.280.0130.00325.92
8.1.270.0060.00318.80
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00323.83
8.1.230.0070.00422.25
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0030.00517.23
8.1.180.0030.00518.10
8.1.170.0060.00318.51
8.1.160.0070.00018.80
8.1.150.0030.00520.21
8.1.140.0000.00817.32
8.1.130.0030.00317.77
8.1.120.0000.00817.41
8.1.110.0000.00717.42
8.1.100.0050.00317.27
8.1.90.0040.00417.42
8.1.80.0040.00417.40
8.1.70.0040.00417.34
8.1.60.0040.00417.54
8.1.50.0000.00817.29
8.1.40.0060.00317.42
8.1.30.0080.00017.62
8.1.20.0000.00717.46
8.1.10.0030.00517.37
8.1.00.0040.00417.36
8.0.300.0070.00020.01
8.0.290.0070.00016.63
8.0.280.0000.00818.37
8.0.270.0070.00017.18
8.0.260.0060.00017.08
8.0.250.0000.00716.80
8.0.240.0030.00316.77
8.0.230.0070.00016.89
8.0.220.0000.00716.79
8.0.210.0000.00716.68
8.0.200.0070.00016.89
8.0.190.0000.00716.89
8.0.180.0000.00716.90
8.0.170.0020.00516.86
8.0.160.0000.00716.88
8.0.150.0040.00416.78
8.0.140.0080.00416.76
8.0.130.0030.00313.23
8.0.120.0040.00416.67
8.0.110.0080.00016.83
8.0.100.0000.00816.80
8.0.90.0030.00316.68
8.0.80.0100.00616.76
8.0.70.0000.00716.62
8.0.60.0040.00416.88
8.0.50.0040.00416.79
8.0.30.0100.01017.03
8.0.20.0100.00917.40
8.0.10.0040.00416.99
8.0.00.0060.01116.75
7.4.330.0000.00515.03
7.4.320.0070.00016.35
7.4.300.0040.00416.42
7.4.290.0030.00316.55
7.4.280.0050.00516.46
7.4.270.0040.00416.36
7.4.260.0030.00316.31
7.4.250.0040.00416.49
7.4.240.0030.00416.47
7.4.230.0050.00216.34
7.4.220.0110.01416.43
7.4.210.0090.01216.49
7.4.200.0030.00316.61
7.4.160.0060.00916.61
7.4.150.0100.01017.40
7.4.140.0130.01117.86
7.4.130.0080.00916.50
7.4.120.0100.00816.34
7.4.110.0140.00716.63
7.4.100.0130.00916.36
7.4.90.0070.01516.37
7.4.80.0030.01519.39
7.4.70.0110.00716.28
7.4.60.0120.00416.29
7.4.50.0030.00616.21
7.4.40.0090.00916.35
7.4.30.0150.00816.49
7.4.10.0000.01314.92
7.4.00.0090.00715.05
7.3.330.0050.00313.05
7.3.320.0000.00613.01
7.3.310.0030.00316.12
7.3.300.0040.00416.12
7.3.290.0080.00916.11
7.3.280.0100.00816.15
7.3.270.0070.01117.40
7.3.260.0110.00716.35
7.3.250.0050.01516.25
7.3.240.0110.01416.51
7.3.230.0060.01016.39
7.3.210.0030.01316.18
7.3.200.0100.00716.12
7.3.190.0110.01116.33
7.3.180.0040.01116.34
7.3.170.0130.00816.42
7.3.160.0040.01116.18
7.3.130.0080.00414.60
7.3.120.0100.00714.91
7.3.110.0130.00314.25
7.3.100.0140.00014.70
7.3.90.0070.01114.78
7.3.80.0000.01014.80
7.3.70.0040.00814.82
7.3.60.0120.00314.37
7.3.50.0040.00714.26
7.3.40.0060.00614.50
7.3.30.0070.01014.75
7.3.20.0060.00616.39
7.3.10.0100.00616.82
7.3.00.0080.00616.40
7.2.330.0040.01316.30
7.2.320.0210.00316.44
7.2.310.0150.00316.44
7.2.300.0080.01316.50
7.2.290.0210.00316.62
7.2.260.0110.00714.99
7.2.250.0140.00415.04
7.2.240.0080.00515.10
7.2.230.0070.00715.11
7.2.220.0040.01114.79
7.2.210.0070.00714.70
7.2.200.0060.01014.70
7.2.190.0090.00614.67
7.2.180.0030.01614.94
7.2.170.0130.00314.81
7.2.160.0080.00815.00
7.2.150.0080.00816.59
7.2.140.0110.00416.75
7.2.130.0080.00616.93
7.2.120.0070.00616.70
7.2.110.0050.00616.79
7.2.100.0040.01016.63
7.2.90.0050.01316.83
7.2.80.0030.01016.81
7.2.70.0090.00316.77
7.2.60.0060.00516.73
7.2.50.0110.00516.93
7.2.40.0030.00816.78
7.2.30.0060.00716.88
7.2.20.0020.01416.64
7.2.10.0030.01116.81
7.2.00.0080.00717.44
7.1.330.0070.00715.57
7.1.320.0090.00915.59
7.1.310.0040.01115.73
7.1.300.0040.01115.57
7.1.290.0030.00615.75
7.1.280.0060.00915.65
7.1.270.0040.01215.87
7.1.260.0060.00615.69
7.1.250.0050.00815.65
7.1.240.0060.00315.69
7.1.230.0030.00815.75
7.1.220.0050.00615.59
7.1.210.0050.00815.60
7.1.200.0050.00715.68
7.1.190.0060.00515.53
7.1.180.0060.00715.58
7.1.170.0110.00315.59
7.1.160.0090.00315.50
7.1.150.0070.00415.75
7.1.140.0040.00415.64
7.1.130.0050.00715.50
7.1.120.0040.00415.72
7.1.110.0060.00615.83
7.1.100.0130.00616.29
7.1.90.0070.00615.60
7.1.80.0060.00815.76
7.1.70.0020.00716.15
7.1.60.0110.00617.07
7.1.50.0050.01116.08
7.1.40.0040.00815.60
7.1.30.0060.00715.54
7.1.20.0050.00715.57
7.1.10.0050.00715.74
7.1.00.0020.03617.92
7.0.330.0040.00815.30
7.0.320.0050.00515.42
7.0.310.0070.00615.29
7.0.300.0030.00715.16
7.0.290.0030.00815.22
7.0.280.0030.00915.48
7.0.270.0050.00715.22
7.0.260.0040.00715.21
7.0.250.0070.00515.21
7.0.240.0080.00415.29
7.0.230.0070.00515.27
7.0.220.0090.00715.11
7.0.210.0050.00515.32
7.0.200.0080.00115.78
7.0.190.0030.00915.17
7.0.180.0020.01515.45
7.0.170.0080.00615.27
7.0.160.0050.00815.30
7.0.150.0070.00515.14
7.0.140.0050.02917.60
7.0.130.0070.00715.35
7.0.120.0080.00415.26
7.0.110.0050.00815.28
7.0.100.0070.00715.25
7.0.90.0120.00215.39
7.0.80.0020.01115.30
7.0.70.0000.01115.50
7.0.60.0050.02916.79
7.0.50.0050.01616.13
7.0.40.0060.02815.58
7.0.30.0120.01715.67
7.0.20.0150.02915.66
7.0.10.0040.02015.65
7.0.00.0080.02915.59
5.6.400.0100.00314.43
5.6.390.0100.00714.19
5.6.380.0090.00313.91
5.6.370.0070.00414.31
5.6.360.0040.00914.09
5.6.350.0040.00814.33
5.6.340.0050.00613.85
5.6.330.0070.00514.38
5.6.320.0050.00914.14
5.6.310.0080.00314.13
5.6.300.0060.00914.26
5.6.290.0070.00713.96
5.6.280.0040.02816.57
5.6.270.0090.00514.24
5.6.260.0070.00714.17
5.6.250.0110.00114.29
5.6.240.0010.00914.20
5.6.230.0090.00414.19
5.6.220.0050.00514.22
5.6.210.0090.02516.30
5.6.200.0050.02415.51
5.6.190.0040.02216.29
5.6.180.0150.01616.40
5.6.170.0160.02916.31
5.6.160.0040.03216.14
5.6.150.0060.02315.54
5.6.140.0090.03015.48
5.6.130.0050.03015.45
5.6.120.0030.02116.64
5.6.110.0040.03216.47
5.6.100.0050.03416.53
5.6.90.0050.02016.23
5.6.80.0020.02916.21
5.6.70.0030.01014.35
5.6.60.0070.00714.04
5.6.50.0050.00713.84
5.6.40.0040.00814.04
5.6.30.0050.00914.25
5.6.20.0050.00914.28
5.6.10.0030.00814.11
5.6.00.0080.00613.99
5.5.380.0050.00412.49
5.5.370.0040.00412.53
5.5.360.0050.00512.53
5.5.350.0110.02815.09
5.5.340.0020.02614.28
5.5.330.0070.02815.17
5.5.320.0170.02715.06
5.5.310.0130.03015.28
5.5.300.0060.02814.48
5.5.290.0070.02914.28
5.5.280.0060.02515.44
5.5.270.0070.02915.34
5.5.260.0060.03115.15
5.5.250.0040.02715.34
5.5.240.0060.01615.15
5.5.230.0090.00712.56
5.5.220.0040.00912.49
5.5.210.0040.00512.39
5.5.200.0100.00312.56
5.5.190.0050.00412.42
5.5.180.0090.00212.44
5.5.170.0030.00812.51
5.5.160.0030.00912.42
5.5.150.0050.00512.50
5.5.140.0070.00412.64
5.5.130.0050.00512.50
5.5.120.0050.00912.55
5.5.110.0070.00512.40
5.5.100.0000.01012.41
5.5.90.0050.00812.50
5.5.80.0050.00712.53
5.5.70.0090.00112.54
5.5.60.0030.00812.55
5.5.50.0050.00512.43
5.5.40.0070.00312.50
5.5.30.0020.01112.42
5.5.20.0040.00512.56
5.5.10.0020.00812.60
5.5.00.0040.00512.46
5.4.450.0210.02514.35
5.4.440.0030.03514.40
5.4.430.0080.02114.26
5.4.420.0080.02614.37
5.4.410.0090.01814.25
5.4.400.0060.02314.26
5.4.390.0080.02014.23
5.4.380.0130.02114.19
5.4.370.0070.02314.07
5.4.360.0090.02814.08
5.4.350.0100.02814.05
5.4.340.0090.01914.04
5.4.330.0030.00511.81
5.4.320.0110.02114.10
5.4.310.0070.02214.04
5.4.300.0100.02014.17
5.4.290.0100.02814.13
5.4.280.0120.02514.10
5.4.270.0120.01914.06
5.4.260.0090.02114.05
5.4.250.0100.02214.09
5.4.240.0110.01814.13
5.4.230.0050.02214.04
5.4.220.0100.02014.04
5.4.210.0060.02214.03
5.4.200.0080.02013.41
5.4.190.0080.01914.10
5.4.180.0090.02014.13
5.4.170.0100.02014.10
5.4.160.0080.02114.10
5.4.150.0090.02014.10
5.4.140.0110.01913.32
5.4.130.0090.01813.29
5.4.120.0070.02113.39
5.4.110.0090.02013.29
5.4.100.0070.02213.30
5.4.90.0120.01913.29
5.4.80.0100.01913.30
5.4.70.0070.02213.29
5.4.60.0090.01813.34
5.4.50.0060.02113.24
5.4.40.0080.02213.28
5.4.30.0080.01913.22
5.4.20.0060.02213.27
5.4.10.0040.02313.27
5.4.00.0080.01913.08
5.3.290.0050.03212.82
5.3.280.0100.02912.70
5.3.270.0100.02812.71
5.3.260.0030.03712.80
5.3.250.0130.02512.80
5.3.240.0150.02512.77
5.3.230.0120.02712.72
5.3.220.0060.03012.69
5.3.210.0070.03112.78
5.3.200.0080.02812.73
5.3.190.0170.03212.70
5.3.180.0140.03512.76
5.3.170.0110.03512.75
5.3.160.0120.03312.77
5.3.150.0070.03012.69
5.3.140.0140.02212.77
5.3.130.0100.02912.77
5.3.120.0150.02512.72
5.3.110.0060.03312.67
5.3.100.0070.02812.43
5.3.90.0130.02612.42
5.3.80.0080.02712.44
5.3.70.0120.02412.50
5.3.60.0130.02712.46
5.3.50.0080.02812.38
5.3.40.0070.03812.41
5.3.30.0150.03212.45
5.3.20.0170.03012.34
5.3.10.0080.03012.27
5.3.00.0080.02812.24
5.2.170.0070.02311.02
5.2.160.0110.02011.05
5.2.150.0070.02211.00
5.2.140.0080.02111.00
5.2.130.0080.02111.07
5.2.120.0110.02611.03
5.2.110.0120.02510.99
5.2.100.0060.02110.97
5.2.90.0020.02610.99
5.2.80.0030.02810.97
5.2.70.0030.02611.02
5.2.60.0050.02510.99
5.2.50.0100.02110.95
5.2.40.0020.02711.02
5.2.30.0060.02410.94
5.2.20.0080.02110.99
5.2.10.0110.01810.88
5.2.00.0100.01810.81
5.1.60.0080.01610.47
5.1.50.0080.01710.45
5.1.40.0070.01710.45
5.1.30.0080.01710.60
5.1.20.0120.01510.65
5.1.10.0030.02410.49
5.1.00.0050.02010.50
5.0.50.0030.0199.73
5.0.40.0050.0179.66
5.0.30.0110.0189.56
5.0.20.0080.0159.64
5.0.10.0070.0179.63
5.0.00.0100.0229.54
4.4.90.0050.0168.40
4.4.80.0050.0158.39
4.4.70.0050.0158.40
4.4.60.0070.0148.36
4.4.50.0030.0188.40
4.4.40.0050.0178.40
4.4.30.0050.0128.38
4.4.20.0020.0138.44
4.4.10.0050.0138.39
4.4.00.0020.0218.42
4.3.110.0020.0148.37
4.3.100.0020.0158.35
4.3.90.0080.0088.34
4.3.80.0030.0208.40
4.3.70.0030.0138.34
4.3.60.0060.0108.35
4.3.50.0050.0138.34
4.3.40.0030.0188.35
4.3.30.0070.0087.74
4.3.20.0030.0127.71
4.3.10.0020.0147.71
4.3.00.0080.0148.88

preferences:
58.21 ms | 401 KiB | 5 Q