3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(100, 200); var_dump($arr); /* shows: array(2) { [0]=> int(100) [1]=> int(200) } */ $r = &$arr[0]; var_dump($arr); /* shows: array(2) { [0]=> &int(100) [1]=> int(200) }*/

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)
8.3.60.0090.01218.18
8.3.50.0210.00717.19
8.3.40.0070.00718.64
8.3.30.0150.00018.39
8.3.20.0040.00418.57
8.3.10.0090.00020.26
8.3.00.0080.00019.04
8.2.180.0120.00916.50
8.2.170.0110.00422.96
8.2.160.0080.01119.02
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0080.00020.41
8.2.110.0000.01120.34
8.2.100.0090.00317.84
8.2.90.0060.00319.08
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0030.00517.92
8.2.50.0080.00018.10
8.2.40.0060.00318.06
8.2.30.0060.00317.99
8.2.20.0000.00919.32
8.2.10.0040.00417.68
8.2.00.0030.00617.66
8.1.280.0130.00325.92
8.1.270.0060.00323.99
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0060.00320.39
8.1.230.0080.00317.83
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0090.00020.55
8.1.160.0000.00720.61
8.1.150.0070.00018.44
8.1.140.0000.00817.43
8.1.130.0070.00017.81
8.1.120.0070.00017.41
8.1.110.0030.00517.30
8.1.100.0000.00717.26
8.1.90.0040.00417.41
8.1.80.0040.00417.40
8.1.70.0050.00517.35
8.1.60.0040.00417.47
8.1.50.0040.00417.38
8.1.40.0080.00017.48
8.1.30.0030.00617.60
8.1.20.0000.00717.47
8.1.10.0040.00417.48
8.1.00.0040.00417.37
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.37
8.0.270.0040.00417.15
8.0.260.0030.00316.76
8.0.250.0050.00216.88
8.0.240.0040.00416.90
8.0.230.0030.00316.75
8.0.220.0000.00716.76
8.0.210.0050.00216.71
8.0.200.0000.00616.73
8.0.190.0040.00416.76
8.0.180.0000.00816.70
8.0.170.0050.00316.79
8.0.160.0030.00316.83
8.0.150.0000.00916.66
8.0.140.0080.00016.73
8.0.130.0030.00313.24
8.0.120.0000.00716.77
8.0.110.0040.00416.70
8.0.100.0000.00816.93
8.0.90.0000.00716.85
8.0.80.0160.00316.87
8.0.70.0070.00016.84
8.0.60.0000.00816.79
8.0.50.0070.00016.67
8.0.30.0030.01916.83
8.0.20.0130.00416.96
8.0.10.0000.00716.89
8.0.00.0100.00916.66
7.4.330.0000.00412.86
7.4.320.0060.00016.32
7.4.300.0000.00616.45
7.4.290.0030.00316.38
7.4.280.0030.00516.48
7.4.270.0060.00016.44
7.4.260.0030.00313.13
7.4.250.0040.00416.52
7.4.240.0040.00416.43
7.4.230.0040.00416.26
7.4.220.0120.01316.43
7.4.210.0060.00916.49
7.4.200.0050.00216.27
7.4.190.0000.00716.43
7.4.160.0030.01316.48
7.4.150.0130.00716.42
7.4.140.0090.00816.30
7.4.130.0120.00416.48
7.4.120.0170.00816.62
7.4.110.0150.00616.53
7.4.100.0100.00716.55
7.4.90.0120.00616.61
7.4.80.0090.01219.39
7.4.70.0060.01516.48
7.4.60.0040.01516.48
7.4.50.0040.00016.37
7.4.40.0030.01316.21
7.4.30.0060.00916.50
7.4.00.0010.01414.78
7.3.330.0040.00412.95
7.3.320.0050.00013.06
7.3.310.0000.00716.06
7.3.300.0040.00416.23
7.3.290.0070.00716.23
7.3.280.0110.00416.21
7.3.270.0060.01216.33
7.3.260.0050.01416.25
7.3.250.0100.01016.21
7.3.240.0060.01016.52
7.3.230.0070.01016.54
7.3.210.0130.00516.29
7.3.200.0060.00916.18
7.3.190.0080.01316.15
7.3.180.0120.00316.35
7.3.170.0120.00916.20
7.3.160.0180.00416.26
7.3.120.0050.01314.82
7.3.110.0060.01014.38
7.3.100.0090.00614.93
7.3.90.0030.01715.03
7.3.80.0060.00914.53
7.3.70.0030.01014.43
7.3.60.0100.00314.51
7.3.50.0080.00614.73
7.3.40.0000.01614.62
7.3.30.0070.01014.40
7.3.20.0050.00816.57
7.3.10.0050.00816.57
7.3.00.0080.00716.64
7.2.330.0030.01316.26
7.2.320.0110.00616.72
7.2.310.0060.01716.32
7.2.300.0110.00716.41
7.2.290.0090.00616.31
7.2.250.0070.01114.80
7.2.240.0130.00314.95
7.2.230.0000.01414.87
7.2.220.0120.00615.05
7.2.210.0170.00014.89
7.2.200.0030.01014.65
7.2.190.0000.01214.98
7.2.180.0060.00814.66
7.2.170.0040.01414.98
7.2.130.0000.01016.80
7.2.120.0000.01116.90
7.2.110.0000.01116.79
7.2.100.0070.00716.54
7.2.90.0060.00316.93
7.2.80.0100.00616.88
7.2.70.0070.00716.61
7.2.60.0030.01216.63
7.2.50.0030.00716.71
7.2.40.0040.01416.74
7.2.30.0030.00616.78
7.2.20.0070.00716.74
7.2.10.0040.01116.87
7.2.00.0040.01317.96
7.1.330.0100.00615.51
7.1.320.0110.00315.91
7.1.310.0000.01215.82
7.1.300.0070.00415.68
7.1.290.0100.00715.46
7.1.280.0000.01715.76
7.1.270.0080.00415.72
7.1.260.0000.01615.65
7.1.250.0030.01315.73
7.1.200.0290.00415.57
7.1.100.0050.00518.11
7.1.70.0000.01016.97
7.1.60.0100.01319.31
7.1.50.0040.01816.80
7.1.00.0070.07322.45
7.0.200.0090.00614.85
7.0.140.0030.07322.01
7.0.120.0030.03722.03
7.0.60.0100.06720.06
7.0.50.0030.04017.68
7.0.40.0030.05320.20
7.0.30.0370.05720.18
7.0.20.0170.05020.04
7.0.10.0070.06020.00
7.0.00.0170.06320.01
5.6.280.0030.07321.11
5.6.210.0030.04020.72
5.6.200.0030.06718.15
5.6.190.0030.04320.39
5.6.180.0370.07720.49
5.6.170.0270.05020.50
5.6.160.0030.07720.71
5.6.150.0130.07018.11
5.6.140.0070.08318.18
5.6.130.0100.04018.16
5.6.120.0030.04320.98
5.6.110.0030.08320.87
5.6.100.0030.04320.99
5.6.90.0130.07021.12
5.6.80.0070.07320.50
5.5.350.0200.07720.48
5.5.340.0030.04318.01
5.5.330.0000.05320.37
5.5.320.0300.03320.41
5.5.310.0300.07720.33
5.5.300.0030.03717.95
5.5.290.0100.08317.92
5.5.280.0130.07720.76
5.5.270.0000.04320.78
5.5.260.0070.05320.79
5.5.250.0030.08020.61
5.5.240.0030.07320.27
5.4.450.0070.07019.41
5.4.440.0130.06319.50
5.4.430.0070.08019.24
5.4.420.0170.07319.50
5.4.410.0030.05319.38
5.4.400.0100.04018.92
5.4.390.0030.04018.79
5.4.380.0130.04319.09
5.4.370.0000.04018.79
5.4.360.0100.04319.00
5.4.350.0200.06719.12
5.4.340.0100.06018.92
5.4.320.0030.08319.12
5.4.310.0070.04319.14
5.4.300.0000.05318.88
5.4.290.0070.04019.13
5.4.280.0030.05719.14
5.4.270.0070.08019.15
5.4.260.0030.06719.08
5.4.250.0030.04019.17
5.4.240.0030.05719.12
5.4.230.0130.03019.17
5.4.220.0070.04719.14
5.4.210.0030.04319.17
5.4.200.0070.06019.17
5.4.190.0100.07018.91
5.4.180.0030.04018.80
5.4.170.0070.04319.17
5.4.160.0070.05018.90
5.4.150.0070.03718.77
5.4.140.0000.07716.44
5.4.130.0070.06016.28
5.4.120.0100.03716.34
5.4.110.0100.05016.41
5.4.100.0130.06016.36
5.4.90.0100.04016.14
5.4.80.0130.06316.32
5.4.70.0100.06016.23
5.4.60.0100.04716.24
5.4.50.0130.05716.21
5.4.40.0130.07016.38
5.4.30.0000.05316.29
5.4.20.0070.07016.21
5.4.10.0030.08016.35
5.4.00.0030.07315.71
5.3.290.0030.06014.75
5.3.280.0000.04314.51
5.3.270.0000.05714.52
5.3.260.0070.03714.42
5.3.250.0000.07714.55
5.3.240.0130.07314.39
5.3.230.0030.06014.61
5.3.220.0000.07714.53
5.3.210.0070.04714.49
5.3.200.0130.06314.49
5.3.190.0070.05714.44
5.3.180.0030.05014.48
5.3.170.0170.04714.50
5.3.160.0070.06714.44
5.3.150.0130.03714.50
5.3.140.0070.07014.51
5.3.130.0070.04314.44
5.3.120.0030.08014.50
5.3.110.0070.07314.64
5.3.100.0000.08313.96
5.3.90.0100.04013.92
5.3.80.0070.07313.95
5.3.70.0100.05013.96
5.3.60.0000.05713.98
5.3.50.0070.04313.87
5.3.40.0070.04313.88
5.3.30.0030.08013.73
5.3.20.0030.05713.66
5.3.10.0100.06013.58
5.3.00.0070.06013.57
5.2.170.0000.06011.07
5.2.160.0070.05011.15
5.2.150.0100.05711.01
5.2.140.0030.06311.07
5.2.130.0030.05311.04
5.2.120.0100.05711.08
5.2.110.0030.06011.07
5.2.100.0030.06311.05
5.2.90.0030.04711.03
5.2.80.0070.06311.07
5.2.70.0100.04311.10
5.2.60.0000.07010.89
5.2.50.0070.06010.96
5.2.40.0100.05310.95
5.2.30.0000.06311.14
5.2.20.0100.05310.93
5.2.10.0070.03711.01
5.2.00.0070.05310.75
5.1.60.0070.0379.94
5.1.50.0030.0579.94
5.1.40.0030.0609.94
5.1.30.0030.05310.32
5.1.20.0070.04010.34
5.1.10.0070.05710.03
5.1.00.0070.05310.13
5.0.50.0130.0278.54
5.0.40.0070.0238.39
5.0.30.0030.0578.36
5.0.20.0030.0408.36
5.0.10.0070.0408.36
5.0.00.0130.0278.36
4.4.90.0000.0378.36
4.4.80.0130.0238.36
4.4.70.0000.0278.36
4.4.60.0030.0338.36
4.4.50.0030.0208.36
4.4.40.0030.0438.36
4.4.30.0030.0208.36
4.4.20.0030.0278.36
4.4.10.0030.0378.36
4.4.00.0000.0438.36
4.3.110.0030.0308.36
4.3.100.0030.0338.36
4.3.90.0030.0378.36
4.3.80.0000.0538.36
4.3.70.0070.0338.36
4.3.60.0070.0308.36
4.3.50.0000.0378.36
4.3.40.0000.0408.36
4.3.30.0000.0408.36
4.3.20.0000.0378.36
4.3.10.0000.0378.36
4.3.00.0000.0378.36

preferences:
44.21 ms | 401 KiB | 5 Q