3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" => "apple", "b" => "banana"); $b = array("a" => "pear", "b" => "strawberry", "c" => "cherry"); print_r($a + $b); // Union of $a and $b print_r(array_replace($b + $a));

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)
8.3.70.0100.01016.50
8.3.60.0090.00618.43
8.3.50.0110.01121.98
8.3.40.0170.00318.72
8.3.30.0140.00718.77
8.3.20.0120.00620.16
8.3.10.0150.00323.39
8.3.00.0060.01220.55
8.2.190.0100.01016.58
8.2.180.0150.00616.63
8.2.170.0130.00622.96
8.2.160.0120.00822.12
8.2.150.0160.00324.18
8.2.140.0060.00324.66
8.2.130.0120.00626.16
8.2.120.0040.00419.38
8.2.110.0150.00622.20
8.2.100.0120.00517.63
8.2.90.0050.00319.09
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0030.00617.80
8.2.50.0080.00018.07
8.2.40.0060.00617.69
8.2.30.0040.00417.86
8.2.20.0040.00417.64
8.2.10.0030.00517.57
8.2.00.0000.00717.58
8.1.280.0100.01025.92
8.1.270.0060.00323.96
8.1.260.0100.01026.35
8.1.250.0070.00728.09
8.1.240.0100.01023.79
8.1.230.0080.00419.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0090.00017.40
8.1.180.0060.00318.10
8.1.170.0050.00318.55
8.1.160.0050.00221.93
8.1.150.0050.00518.43
8.1.140.0130.00017.22
8.1.130.0030.00317.68
8.1.120.0000.00717.38
8.1.110.0000.00817.43
8.1.100.0040.00417.39
8.1.90.0000.00717.28
8.1.80.0040.00417.32
8.1.70.0000.00717.36
8.1.60.0070.00417.43
8.1.50.0050.00317.36
8.1.40.0040.00417.41
8.1.30.0000.00817.39
8.1.20.0000.00917.46
8.1.10.0000.00717.47
8.1.00.0040.00417.37
8.0.300.0000.00718.77
8.0.290.0070.00017.04
8.0.280.0000.00818.27
8.0.270.0030.00317.20
8.0.260.0000.00716.65
8.0.250.0000.00716.93
8.0.240.0060.00316.97
8.0.230.0070.00016.93
8.0.220.0040.00416.93
8.0.210.0050.00316.89
8.0.200.0000.00716.85
8.0.190.0000.00816.87
8.0.180.0000.00716.91
8.0.170.0040.00416.77
8.0.160.0000.00816.82
8.0.150.0000.00816.72
8.0.140.0000.00716.73
8.0.130.0000.00613.29
8.0.120.0000.00716.72
8.0.110.0040.00416.71
8.0.100.0070.00016.93
8.0.90.0000.00716.77
8.0.80.0060.00916.79
8.0.70.0040.00416.87
8.0.60.0000.00816.89
8.0.50.0040.00416.83
8.0.30.0040.01417.06
8.0.20.0100.01017.40
8.0.10.0000.00716.85
8.0.00.0100.01016.62
7.4.330.0030.00315.00
7.4.320.0060.00016.52
7.4.300.0000.00616.41
7.4.290.0030.00316.50
7.4.280.0030.00316.46
7.4.270.0030.00316.46
7.4.260.0030.00316.41
7.4.250.0040.00416.34
7.4.240.0040.00316.46
7.4.230.0000.00716.59
7.4.220.0070.01316.50
7.4.210.0100.00416.52
7.4.200.0050.00216.42
7.4.190.0030.00416.38
7.4.160.0120.00316.19
7.4.150.0140.01017.40
7.4.140.0080.01117.86
7.4.130.0110.00816.34
7.4.120.0100.01016.44
7.4.110.0070.01116.43
7.4.100.0080.00816.44
7.4.90.0060.01216.32
7.4.80.0090.01216.54
7.4.70.0060.01016.51
7.4.60.0100.00716.36
7.4.50.0000.00816.25
7.4.40.0070.01122.77
7.4.30.0060.01116.26
7.4.10.0070.00714.78
7.4.00.0060.01114.81
7.3.330.0060.00013.11
7.3.320.0060.00013.08
7.3.310.0050.00216.18
7.3.300.0060.00316.18
7.3.290.0080.01216.21
7.3.280.0080.00816.17
7.3.270.0100.00717.40
7.3.260.0200.00316.23
7.3.250.0110.00816.18
7.3.240.0140.00616.29
7.3.230.0080.00816.39
7.3.210.0120.00616.16
7.3.200.0120.00619.39
7.3.190.0120.01116.35
7.3.180.0130.00316.16
7.3.170.0120.00316.29
7.3.160.0150.00016.14
7.3.130.0100.00614.86
7.3.120.0050.01214.86
7.3.110.0130.00414.52
7.3.100.0080.01014.65
7.3.90.0050.01114.50
7.3.80.0090.00314.66
7.3.70.0090.00314.50
7.3.60.0090.00614.47
7.3.50.0060.00814.66
7.3.40.0070.00714.56
7.3.30.0070.00514.40
7.3.20.0070.00816.67
7.3.10.0100.00416.57
7.3.00.0090.00516.39
7.2.330.0110.00616.18
7.2.320.0120.00616.37
7.2.310.0030.01416.45
7.2.300.0140.00316.39
7.2.290.0070.01016.41
7.2.260.0060.00914.83
7.2.250.0110.00714.75
7.2.240.0080.00814.89
7.2.230.0050.01014.95
7.2.220.0060.00914.97
7.2.210.0020.01214.66
7.2.200.0050.00914.68
7.2.190.0030.01214.76
7.2.180.0030.01114.62
7.2.170.0070.00614.88
7.2.160.0070.00614.83
7.2.150.0060.00916.70
7.2.140.0010.01216.54
7.2.130.0080.00416.73
7.2.120.0070.00816.60
7.2.110.0070.00716.78
7.2.100.0070.00616.67
7.2.90.0050.01016.72
7.2.80.0040.01116.69
7.2.70.0060.00616.82
7.2.60.0070.00616.65
7.2.50.0050.01216.70
7.2.40.0050.00716.67
7.2.30.0090.00516.69
7.2.20.0080.00716.88
7.2.10.0060.00716.73
7.2.00.0080.00417.61
7.1.330.0040.01215.61
7.1.320.0030.01315.39
7.1.310.0070.00815.79
7.1.300.0110.00515.60
7.1.290.0050.00515.51
7.1.280.0080.00315.36
7.1.270.0030.00715.62
7.1.260.0070.00515.55
7.1.250.0050.01115.62
7.1.240.0020.01315.67
7.1.230.0030.01015.43
7.1.220.0050.00615.65
7.1.210.0060.00815.49
7.1.200.0030.01015.73
7.1.190.0020.00815.62
7.1.180.0030.00715.54
7.1.170.0030.01115.35
7.1.160.0060.00515.80
7.1.150.0050.00815.74
7.1.140.0020.01215.59
7.1.130.0050.00715.54
7.1.120.0030.01115.63
7.1.110.0050.00715.65
7.1.100.0020.01016.33
7.1.90.0090.00215.65
7.1.80.0050.00715.78
7.1.70.0190.00616.09
7.1.60.0080.00816.80
7.1.50.0060.00916.13
7.1.40.0020.00915.58
7.1.30.0020.01115.57
7.1.20.0070.00715.57
7.1.10.0060.00615.59
7.1.00.0040.03217.91
7.0.330.0100.00415.15
7.0.320.0020.00915.12
7.0.310.0020.01015.16
7.0.300.0060.00415.28
7.0.290.0030.00815.42
7.0.280.0070.00615.27
7.0.270.0030.00815.23
7.0.260.0060.00615.18
7.0.250.0030.00815.40
7.0.240.0050.00615.41
7.0.230.0030.00815.29
7.0.220.0070.00715.27
7.0.210.0050.00715.38
7.0.200.0110.00115.70
7.0.190.0060.00615.30
7.0.180.0030.01015.44
7.0.170.0120.00115.28
7.0.160.0030.00515.33
7.0.150.0090.00515.28
7.0.140.0050.02717.49
7.0.130.0060.00815.46
7.0.120.0020.01115.46
7.0.110.0020.00915.29
7.0.100.0110.02916.82
7.0.90.0130.02016.94
7.0.80.0030.02016.91
7.0.70.0070.01516.70
7.0.60.0080.01716.90
7.0.50.0070.01917.09
7.0.40.0030.02015.77
7.0.30.0030.01715.80
7.0.20.0040.01915.71
7.0.10.0070.01915.76
7.0.00.0020.02215.71
5.6.400.0090.00414.14
5.6.390.0040.00714.34
5.6.380.0090.00414.35
5.6.370.0020.01014.26
5.6.360.0070.00814.10
5.6.350.0000.01314.38
5.6.340.0060.00814.44
5.6.330.0070.00514.08
5.6.320.0020.00614.26
5.6.310.0060.00714.21
5.6.300.0040.00914.31
5.6.290.0060.00814.08
5.6.280.0050.03116.50
5.6.270.0050.00914.03
5.6.260.0050.00714.36
5.6.250.0080.03116.54
5.6.240.0070.03416.32
5.6.230.0050.02116.43
5.6.220.0030.02216.50
5.6.210.0040.02016.37
5.6.200.0080.01616.47
5.6.190.0020.02116.42
5.6.180.0080.01516.61
5.6.170.0040.01816.37
5.6.160.0060.01816.51
5.6.150.0040.01516.43
5.6.140.0010.02216.61
5.6.130.0110.01416.47
5.6.120.0040.02116.55
5.6.110.0040.02016.55
5.6.100.0040.01816.56
5.6.90.0030.02116.48
5.6.80.0040.01916.33
5.6.70.0100.01216.37
5.6.60.0070.01416.23
5.6.50.0090.01316.35
5.6.40.0040.02016.15
5.6.30.0050.01716.22
5.6.20.0050.01816.08
5.6.10.0070.01316.33
5.6.00.0070.01416.27
5.5.380.0050.01916.28
5.5.370.0090.02816.21
5.5.360.0080.01416.28
5.5.350.0070.02016.24
5.5.340.0070.01816.42
5.5.330.0060.01716.28
5.5.320.0070.01616.46
5.5.310.0090.01616.47
5.5.300.0030.02116.47
5.5.290.0030.02216.44
5.5.280.0050.01916.37
5.5.270.0040.01916.17
5.5.260.0080.01716.18
5.5.250.0120.00916.20
5.5.240.0010.01915.94
5.5.230.0040.01816.04
5.5.220.0050.01616.04
5.5.210.0050.01716.10
5.5.200.0040.01816.18
5.5.190.0060.01715.95
5.5.180.0020.01816.20
5.5.170.0050.00914.14
5.5.160.0050.01416.10
5.5.150.0060.01516.23
5.5.140.0040.01916.05
5.5.130.0060.02716.01
5.5.120.0060.02916.12
5.5.110.0110.02516.01
5.5.100.0060.01716.00
5.5.90.0040.01816.08
5.5.80.0070.03115.89
5.5.70.0090.02815.96
5.5.60.0080.02816.17
5.5.50.0060.01716.12
5.5.40.0100.02316.19
5.5.30.0050.03116.01
5.5.20.0070.03416.05
5.5.10.0060.03016.07
5.5.00.0070.02915.99
5.4.450.0050.01714.93
5.4.440.0050.01814.88
5.4.430.0080.01114.86
5.4.420.0060.01614.88
5.4.410.0050.01314.77
5.4.400.0030.01714.75
5.4.390.0040.01514.85
5.4.380.0060.01214.77
5.4.370.0050.01414.71
5.4.360.0040.01614.74
5.4.350.0020.01814.74
5.4.340.0020.01614.74
5.4.330.0070.00412.67
5.4.320.0070.01614.84
5.4.310.0050.01314.80
5.4.300.0050.03214.76
5.4.290.0040.02914.76
5.4.280.0040.01914.76
5.4.270.0070.01614.75
5.4.260.0030.03214.71
5.4.250.0040.01414.79
5.4.240.0070.02514.80
5.4.230.0030.02214.79
5.4.220.0040.03014.76
5.4.210.0050.02614.78
5.4.200.0010.03014.86
5.4.190.0070.01614.71
5.4.180.0070.02414.75
5.4.170.0010.03314.72
5.4.160.0050.02114.84
5.4.150.0050.02714.80
5.4.140.0040.01913.90
5.4.130.0050.02713.90
5.4.120.0000.03213.87
5.4.110.0030.02913.90
5.4.100.0040.01413.88
5.4.90.0010.02413.88
5.4.80.0040.02313.86
5.4.70.0050.03013.88
5.4.60.0040.01913.84
5.4.50.0050.02913.91
5.4.40.0040.02413.93
5.4.30.0020.01813.85
5.4.20.0010.02813.85
5.4.10.0040.01713.93
5.4.00.0050.01513.70
5.3.290.0080.01713.33
5.3.280.0020.01613.30
5.3.270.0080.02713.27
5.3.260.0030.03113.25
5.3.250.0070.02713.31
5.3.240.0030.02713.31
5.3.230.0050.02313.30
5.3.220.0040.02313.24
5.3.210.0040.03113.30
5.3.200.0050.02213.29
5.3.190.0070.02413.30
5.3.180.0030.02513.29
5.3.170.0020.03013.30
5.3.160.0040.01913.30
5.3.150.0050.02913.29
5.3.140.0030.01613.27
5.3.130.0050.02913.25
5.3.120.0050.01413.29
5.3.110.0040.02513.29
5.3.100.0070.02313.07
5.3.90.0030.02013.11
5.3.80.0050.01413.10
5.3.70.0050.02813.10
5.3.60.0040.02913.09
5.3.50.0060.01613.06
5.3.40.0030.03313.09
5.3.30.0050.03013.00
5.3.20.0050.01812.92
5.3.10.0050.02512.91
5.3.00.0060.02212.91
5.2.170.0000.03712.65
5.2.160.0070.04312.65
5.2.150.0030.03312.65
5.2.140.0000.03312.65
5.2.130.0000.03312.65
5.2.120.0030.04712.65
5.2.110.0000.05012.65
5.2.100.0000.03312.65
5.2.90.0070.05712.65
5.2.80.0030.05712.65
5.2.70.0030.03312.65
5.2.60.0000.03712.65
5.2.50.0000.03012.65
5.2.40.0000.04012.65
5.2.30.0100.04312.65
5.2.20.0100.02712.65
5.2.10.0070.04012.65
5.2.00.0070.04012.65
5.1.60.0030.04312.65
5.1.50.0000.03712.65
5.1.40.0070.05012.65
5.1.30.0100.04012.65
5.1.20.0100.02012.65
5.1.10.0030.03012.65
5.1.00.0030.03712.65
5.0.50.0000.02712.65
5.0.40.0070.03312.65
5.0.30.0070.04312.65
5.0.20.0030.03012.65
5.0.10.0030.01712.65
5.0.00.0000.06012.65
4.4.90.0030.01312.65
4.4.80.0000.02012.65
4.4.70.0000.02312.65
4.4.60.0000.03312.65
4.4.50.0070.03012.65
4.4.40.0030.05312.65
4.4.30.0070.03312.65
4.4.20.0000.02012.65
4.4.10.0030.02312.65
4.4.00.0030.04712.65
4.3.110.0070.02312.65
4.3.100.0000.01712.65
4.3.90.0030.01312.65
4.3.80.0030.04012.65
4.3.70.0070.02712.65
4.3.60.0070.01712.65
4.3.50.0030.01312.65
4.3.40.0070.04712.65
4.3.30.0000.03712.65
4.3.20.0000.02012.65
4.3.10.0000.03012.65
4.3.00.0030.01012.65

preferences:
37.97 ms | 401 KiB | 5 Q