3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [1 => 'foo', 2 => 'bar']; $a2 = [3 => 'baz']; $a3 = []; var_dump($a1); var_dump(array_replace($a1, $a2)); var_dump(array_replace($a1, $a3));

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)
8.3.40.0040.01118.72
8.3.30.0090.00918.84
8.3.20.0000.00720.24
8.3.10.0000.00723.70
8.3.00.0040.00419.13
8.2.170.0090.00622.96
8.2.160.0110.00320.37
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0100.00722.14
8.2.110.0060.00322.27
8.2.100.0040.00817.72
8.2.90.0000.00819.09
8.2.80.0050.00317.97
8.2.70.0050.00517.50
8.2.60.0040.00417.90
8.2.50.0100.00018.07
8.2.40.0040.00419.92
8.2.30.0000.00819.79
8.2.20.0080.00017.70
8.2.10.0040.00417.86
8.2.00.0040.00417.48
8.1.270.0140.00424.04
8.1.260.0050.00326.35
8.1.250.0020.00528.09
8.1.240.0100.00023.87
8.1.230.0080.00419.09
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0000.00721.94
8.1.150.0040.00418.57
8.1.140.0040.00417.44
8.1.130.0050.00217.82
8.1.120.0040.00417.28
8.1.110.0000.00717.28
8.1.100.0000.00817.39
8.1.90.0040.00417.39
8.1.80.0050.00317.39
8.1.70.0030.00317.39
8.1.60.0000.00817.52
8.1.50.0050.00317.46
8.1.40.0030.00517.45
8.1.30.0040.00417.39
8.1.20.0000.00717.45
8.1.10.0000.00717.40
8.1.00.0040.00417.25
8.0.300.0070.00020.88
8.0.290.0000.00817.04
8.0.280.0030.00318.29
8.0.270.0000.00717.14
8.0.260.0060.00017.23
8.0.250.0030.00316.86
8.0.240.0060.00016.95
8.0.230.0030.00316.91
8.0.220.0030.00316.84
8.0.210.0040.00416.80
8.0.200.0000.00716.88
8.0.190.0050.00316.75
8.0.180.0000.00716.93
8.0.170.0000.00816.86
8.0.160.0070.00016.79
8.0.150.0000.00716.79
8.0.140.0070.00016.75
8.0.130.0060.00313.14
8.0.120.0070.00016.68
8.0.110.0000.00716.75
8.0.100.0000.00816.64
8.0.90.0000.00816.88
8.0.80.0040.01116.86
8.0.70.0050.00216.68
8.0.60.0020.00516.80
8.0.50.0080.00016.79
8.0.30.0070.01216.89
8.0.20.0130.00617.40
8.0.10.0040.00416.83
8.0.00.0120.00716.84
7.4.330.0000.00515.05
7.4.320.0000.00616.34
7.4.300.0030.00316.52
7.4.290.0000.00716.45
7.4.280.0030.00616.41
7.4.270.0000.00716.47
7.4.260.0030.00316.46
7.4.250.0070.00016.41
7.4.240.0020.00516.45
7.4.230.0030.00316.24
7.4.220.0100.00716.57
7.4.210.0090.00616.49
7.4.200.0030.00316.63
7.4.190.0000.00716.47
7.4.160.0100.00516.61
7.4.150.0140.01117.40
7.4.140.0060.01217.86
7.4.130.0080.01116.40
7.4.120.0100.00616.34
7.4.110.0090.00916.34
7.4.100.0040.01516.32
7.4.90.0030.01416.34
7.4.80.0090.00919.39
7.4.70.0030.01316.36
7.4.60.0000.01616.35
7.4.50.0000.00816.39
7.4.40.0030.01316.19
7.4.30.0090.00616.39
7.4.00.0070.01115.02
7.3.330.0050.00013.07
7.3.320.0050.00012.98
7.3.310.0000.00716.16
7.3.300.0000.00716.13
7.3.290.0060.01216.14
7.3.280.0070.01116.15
7.3.270.0080.01117.40
7.3.260.0120.00616.17
7.3.250.0060.01216.25
7.3.240.0030.01616.33
7.3.230.0140.00316.39
7.3.210.0060.01216.30
7.3.200.0140.00719.39
7.3.190.0130.00716.15
7.3.180.0040.01116.14
7.3.170.0160.00016.27
7.3.160.0160.00016.37
7.3.120.0100.00714.52
7.3.110.0060.01014.63
7.3.100.0070.00814.56
7.3.90.0050.00814.67
7.3.80.0070.00714.70
7.3.70.0080.00614.55
7.3.60.0090.00514.62
7.3.50.0050.00714.62
7.3.40.0050.01014.66
7.3.30.0060.00714.63
7.3.20.0080.00816.54
7.3.10.0060.00816.40
7.3.00.0070.00616.57
7.2.330.0140.00716.55
7.2.320.0150.00316.60
7.2.310.0070.01016.46
7.2.300.0140.00316.44
7.2.290.0150.00316.62
7.2.250.0060.01014.84
7.2.240.0110.00814.70
7.2.230.0060.00914.74
7.2.220.0030.01014.82
7.2.210.0070.00614.67
7.2.200.0050.00914.84
7.2.190.0060.00814.67
7.2.180.0070.00714.75
7.2.170.0070.00814.85
7.2.160.0060.00914.84
7.2.150.0040.00916.67
7.2.140.0020.01316.68
7.2.130.0070.00716.85
7.2.120.0060.00916.65
7.2.110.0050.00816.63
7.2.100.0070.00616.68
7.2.90.0040.00816.68
7.2.80.0080.00416.71
7.2.70.0020.01016.77
7.2.60.0110.00416.60
7.2.50.0040.01016.72
7.2.40.0050.01116.63
7.2.30.0050.00816.79
7.2.20.0030.00916.79
7.2.10.0060.00516.68
7.2.00.0070.00517.39
7.1.330.0070.00915.61
7.1.320.0040.00915.80
7.1.310.0040.00815.64
7.1.300.0040.00915.69
7.1.290.0050.01015.85
7.1.280.0060.00815.69
7.1.270.0060.00915.65
7.1.260.0070.00815.75
7.1.250.0070.00515.56
7.1.240.0030.01315.55
7.1.230.0030.01315.77
7.1.220.0070.00415.89
7.1.210.0100.00315.77
7.1.200.0080.00315.72
7.1.190.0040.00815.56
7.1.180.0000.01515.75
7.1.170.0030.01015.76
7.1.160.0060.00315.66
7.1.150.0060.00815.81
7.1.140.0070.00715.81
7.1.130.0040.01115.78
7.1.120.0050.00515.74
7.1.110.0070.00715.62
7.1.100.0030.00916.86
7.1.90.0060.00915.68
7.1.80.0040.00715.48
7.1.70.0060.00716.19
7.1.60.0070.01017.60
7.1.50.0070.01016.29
7.1.40.0080.00415.88
7.1.30.0050.00515.74
7.1.20.0040.01115.86
7.1.10.0000.00815.80
7.1.00.0020.04519.04
7.0.330.0000.01315.14
7.0.320.0000.00915.20
7.0.310.0050.00315.30
7.0.300.0050.00515.41
7.0.290.0040.00715.02
7.0.280.0060.00315.38
7.0.270.0040.00415.23
7.0.260.0030.01015.12
7.0.250.0140.00015.52
7.0.240.0070.00315.21
7.0.230.0000.00915.42
7.0.220.0060.00615.27
7.0.210.0030.01015.26
7.0.200.0020.00616.05
7.0.190.0030.00715.25
7.0.180.0090.00315.32
7.0.170.0030.00915.55
7.0.160.0090.00315.13
7.0.150.0000.00815.38
7.0.140.0020.04218.70
7.0.130.0070.00715.14
7.0.120.0030.01315.39
7.0.110.0030.00915.18
7.0.100.0080.00015.24
7.0.90.0000.01415.50
7.0.80.0030.01015.27
7.0.70.0070.00715.55
7.0.60.0060.04317.50
7.0.50.0020.03716.79
7.0.40.0120.04016.81
7.0.30.0130.03616.71
7.0.20.0180.02216.83
7.0.10.0160.04016.68
7.0.00.0050.03916.80
5.6.400.0000.01414.25
5.6.390.0030.01014.53
5.6.380.0030.00913.89
5.6.370.0030.01014.26
5.6.360.0030.01013.94
5.6.350.0030.01014.14
5.6.340.0090.00314.13
5.6.330.0070.00714.18
5.6.320.0060.00614.38
5.6.310.0070.01014.17
5.6.300.0030.01014.40
5.6.290.0090.00314.42
5.6.280.0070.04117.64
5.6.270.0080.00413.88
5.6.260.0030.01014.32
5.6.250.0070.00414.21
5.6.240.0100.00714.32
5.6.230.0120.00314.03
5.6.220.0100.00714.18
5.6.210.0050.03517.46
5.6.200.0120.02316.14
5.6.190.0100.02317.19
5.6.180.0080.04417.42
5.6.170.0150.02517.52
5.6.160.0050.02417.28
5.6.150.0070.03816.15
5.6.140.0020.04416.10
5.6.130.0050.02616.24
5.6.120.0070.04517.59
5.6.110.0080.04517.45
5.6.100.0070.02517.55
5.6.90.0060.02417.57
5.6.80.0050.04317.23
5.6.70.0000.01414.18
5.6.60.0100.00314.04
5.6.50.0070.00713.96
5.6.40.0000.00914.07
5.6.30.0110.00314.24
5.6.20.0060.00914.05
5.6.10.0130.00314.28
5.6.00.0040.00413.94
5.5.380.0070.00714.13
5.5.370.0040.01214.09
5.5.360.0060.00614.05
5.5.350.0080.04617.34
5.5.340.0030.02316.21
5.5.330.0050.03217.17
5.5.320.0130.04117.17
5.5.310.0090.02717.04
5.5.300.0020.04216.10
5.5.290.0020.02616.16
5.5.280.0060.02317.38
5.5.270.0030.03617.53
5.5.260.0080.02117.41
5.5.250.0050.04817.44
5.5.240.0040.03817.17
5.5.230.0000.00813.90
5.5.220.0030.01014.09
5.5.210.0030.00713.89
5.5.200.0050.00514.15
5.5.190.0000.00813.98
5.5.180.0030.01413.95
5.5.170.0000.00814.15
5.5.160.0070.00714.11
5.5.150.0000.01714.00
5.5.140.0030.00614.13
5.5.130.0030.01014.03
5.5.120.0030.01014.31
5.5.110.0000.01614.12
5.5.100.0080.00514.10
5.5.90.0060.00314.03
5.5.80.0070.00714.00
5.5.70.0030.01113.90
5.5.60.0000.01113.82
5.5.50.0060.00614.02
5.5.40.0030.01013.85
5.5.30.0080.00813.82
5.5.20.0070.00714.04
5.5.10.0000.01113.86
5.5.00.0040.01113.85
5.4.450.0120.02915.09
5.4.440.0130.02515.08
5.4.430.0100.03715.11
5.4.420.0130.02615.21
5.4.410.0050.03615.29
5.4.400.0090.03214.99
5.4.390.0100.03114.89
5.4.380.0130.02714.71
5.4.370.0070.03214.81
5.4.360.0170.02414.67
5.4.350.0110.03714.67
5.4.340.0100.03014.83
5.4.330.0030.00511.07
5.4.320.0070.01911.58
5.4.310.0050.02011.79
5.4.300.0040.02311.68
5.4.290.0070.03011.71
5.4.280.0040.02611.54
5.4.270.0040.02411.58
5.4.260.0050.02911.61
5.4.250.0070.03011.67
5.4.240.0040.03211.69
5.4.230.0040.02711.56
5.4.220.0050.02011.50
5.4.210.0070.01811.57
5.4.200.0080.01911.50
5.4.190.0090.01911.50
5.4.180.0070.02311.60
5.4.170.0060.02111.56
5.4.160.0040.02111.51
5.4.150.0110.02311.59
5.4.140.0050.02611.54
5.4.130.0080.01911.57
5.4.120.0070.01911.50
5.4.110.0060.02011.46
5.4.100.0040.02611.44
5.4.90.0050.02211.41
5.4.80.0040.02111.54
5.4.70.0040.02011.31
5.4.60.0050.02011.41
5.4.50.0070.02211.47
5.4.40.0090.02211.32
5.4.30.0050.03311.38
5.4.20.0030.03211.43
5.4.10.0070.02711.41
5.4.00.0080.02811.17
5.3.290.0070.02111.74
5.3.280.0060.03011.70
5.3.270.0040.03111.71
5.3.260.0060.03111.70
5.3.250.0040.02611.70
5.3.240.0030.02411.70
5.3.230.0050.02211.70
5.3.220.0050.02211.68
5.3.210.0040.02511.68
5.3.200.0050.02411.68
5.3.190.0060.02311.68
5.3.180.0040.02311.68
5.3.170.0040.02311.68
5.3.160.0050.02711.68
5.3.150.0080.02211.68
5.3.140.0060.02011.67
5.3.130.0050.02211.67
5.3.120.0090.02911.67
5.3.110.0040.02811.67
5.3.100.0060.02011.40
5.3.90.0030.02511.38
5.3.80.0060.01911.38
5.3.70.0070.01911.38
5.3.60.0050.02511.38
5.3.50.0050.02211.34
5.3.40.0070.02211.34
5.3.30.0060.01911.32
5.3.20.0070.02111.20
5.3.10.0040.02411.19
5.3.00.0040.02511.18
5.2.170.0040.0329.18
5.2.160.0090.0279.18
5.2.150.0080.0309.18
5.2.140.0050.0309.18
5.2.130.0090.0249.14
5.2.120.0060.0279.14
5.2.110.0070.0289.14
5.2.100.0090.0409.14
5.2.90.0050.0339.14
5.2.80.0070.0319.14
5.2.70.0040.0329.14
5.2.60.0040.0329.09
5.2.50.0060.0289.06
5.2.40.0090.0249.03
5.2.30.0050.0309.01
5.2.20.0060.0379.00
5.2.10.0050.0288.93
5.2.00.0090.0288.78
5.1.60.0060.0318.07
5.1.50.0050.0268.06
5.1.40.0050.0308.05
5.1.30.0040.0288.40
5.1.20.0080.0328.42
5.1.10.0040.0358.14
5.1.00.0040.0278.14
5.0.50.0050.0286.62
5.0.40.0070.0186.48
5.0.30.0030.0336.29
5.0.20.0070.0256.26
5.0.10.0060.0246.24
5.0.00.0080.0406.23
4.4.90.0030.0234.78
4.4.80.0040.0164.76
4.4.70.0050.0154.75
4.4.60.0050.0154.75
4.4.50.0040.0154.77
4.4.40.0060.0234.71
4.4.30.0040.0154.76
4.4.20.0050.0184.84
4.4.10.0070.0194.85
4.4.00.0030.0334.76
4.3.110.0040.0154.67
4.3.100.0070.0114.66
4.3.90.0030.0154.63
4.3.80.0030.0244.59
4.3.70.0030.0184.63
4.3.60.0030.0184.63
4.3.50.0010.0194.63
4.3.40.0040.0224.54
4.3.30.0030.0153.29
4.3.20.0020.0163.26
4.3.10.0030.0153.22
4.3.00.0030.0238.74

preferences:
41.27 ms | 400 KiB | 5 Q