3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array_one = array('key1' => 'value1'); $array_two = array('key1' => 'value1'); var_dump($array_one === $array_two); foreach ($array_two['key2'] as &$entry) { } var_dump($array_one === $array_two); var_dump($array_two);

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)
8.3.60.0090.00916.73
8.3.50.0150.00523.00
8.3.40.0120.00318.80
8.3.30.0110.00718.84
8.3.20.0070.00020.35
8.3.10.0050.00221.63
8.3.00.0070.00019.91
8.2.180.0100.01016.63
8.2.170.0170.00322.96
8.2.160.0100.00319.26
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00021.00
8.2.120.0040.00426.35
8.2.110.0000.00922.08
8.2.100.0060.00617.91
8.2.90.0100.00017.75
8.2.80.0040.00418.72
8.2.70.0050.00317.63
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00319.88
8.2.30.0040.00418.12
8.2.20.0000.00717.75
8.2.10.0030.00518.18
8.2.00.0040.00417.96
8.1.280.0150.00325.92
8.1.270.0040.00424.02
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0060.00319.01
8.1.230.0070.00417.82
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0050.00517.35
8.1.190.0050.00317.10
8.1.180.0060.00318.10
8.1.170.0050.00318.57
8.1.160.0030.00618.89
8.1.150.0000.00718.90
8.1.140.0000.00719.50
8.1.130.0000.00717.70
8.1.120.0030.00417.51
8.1.110.0000.01017.36
8.1.100.0060.00317.30
8.1.90.0030.00317.49
8.1.80.0000.00717.36
8.1.70.0080.00017.40
8.1.60.0040.00717.49
8.1.50.0030.00617.58
8.1.40.0050.00517.37
8.1.30.0030.00517.61
8.1.20.0040.00417.48
8.1.10.0000.00817.50
8.1.00.0000.00717.31
8.0.300.0000.00918.77
8.0.290.0000.00816.75
8.0.280.0070.00018.35
8.0.270.0030.00316.93
8.0.260.0060.00017.30
8.0.250.0000.00716.88
8.0.240.0040.00417.00
8.0.230.0050.00316.90
8.0.220.0030.00316.96
8.0.210.0030.00316.87
8.0.200.0040.00416.91
8.0.190.0040.00417.04
8.0.180.0040.00417.00
8.0.170.0080.00016.88
8.0.160.0030.00316.95
8.0.150.0020.00516.86
8.0.140.0060.00316.80
8.0.130.0000.00713.39
8.0.120.0040.00416.95
8.0.110.0050.00316.96
8.0.100.0070.00016.91
8.0.90.0040.00416.82
8.0.80.0070.01416.94
8.0.70.0040.00416.99
8.0.60.0050.00216.85
8.0.50.0070.00017.05
8.0.30.0060.01417.36
8.0.20.0100.00917.40
8.0.10.0050.00317.05
8.0.00.0090.00916.79
7.4.330.0020.00215.15
7.4.320.0060.00016.60
7.4.300.0030.00316.61
7.4.290.0060.00316.36
7.4.280.0000.00816.41
7.4.270.0000.00816.50
7.4.260.0000.00716.63
7.4.250.0070.00016.56
7.4.240.0040.00416.61
7.4.230.0000.00816.35
7.4.220.0120.01216.68
7.4.210.0060.01016.70
7.4.200.0030.00316.51
7.4.160.0060.01116.60
7.4.150.0150.00417.40
7.4.140.0070.01517.86
7.4.130.0100.00716.61
7.4.120.0070.01016.48
7.4.110.0150.00316.61
7.4.100.0120.01216.41
7.4.90.0100.01016.35
7.4.80.0090.00919.39
7.4.70.0030.01316.61
7.4.60.0060.01216.69
7.4.50.0040.01116.65
7.4.40.0000.01616.46
7.4.30.0070.01016.49
7.4.00.0040.01114.71
7.3.330.0050.00013.18
7.3.320.0060.00013.09
7.3.310.0030.00316.34
7.3.300.0030.00316.19
7.3.290.0080.00916.24
7.3.280.0080.01016.26
7.3.270.0130.00317.40
7.3.260.0060.01016.40
7.3.250.0100.00816.43
7.3.240.0110.00816.38
7.3.230.0100.00716.39
7.3.210.0130.00616.38
7.3.200.0130.00416.43
7.3.190.0060.00916.56
7.3.180.0130.00616.61
7.3.170.0090.00816.50
7.3.160.0080.00816.61
7.3.10.0060.01216.89
7.3.00.0100.00716.79
7.2.330.0040.01216.45
7.2.320.0140.00716.46
7.2.310.0120.00616.66
7.2.300.0090.00916.73
7.2.290.0100.00716.50
7.2.130.0070.00417.05
7.2.120.0070.00316.71
7.2.110.0070.01017.00
7.2.100.0040.00816.91
7.2.90.0040.00716.87
7.2.80.0070.00316.90
7.2.70.0030.01316.91
7.2.60.0050.00516.75
7.2.50.0000.01417.08
7.2.40.0090.00516.93
7.2.30.0050.01116.59
7.2.20.0130.00516.78
7.2.10.0030.00916.72
7.2.00.0040.01416.86
7.1.250.0030.00815.79
7.0.80.1800.00313.21
7.0.70.1330.00713.35
7.0.60.0890.01013.45
7.0.50.1290.00613.41
7.0.40.1280.00013.47
7.0.30.1640.01013.27
7.0.20.1250.00713.34
7.0.10.1300.00913.41
7.0.00.1440.00313.20
5.6.230.0000.01414.15
5.6.220.0120.00314.04
5.6.210.0120.00414.27
5.6.200.0030.01414.13
5.6.190.0060.00914.44
5.6.180.0120.00414.12
5.6.170.0080.00713.95
5.6.160.0080.00813.86
5.6.150.0110.00614.02
5.6.140.0060.01114.16
5.6.130.0090.00914.10
5.6.120.0110.00413.97
5.6.110.0000.01414.21
5.6.100.0110.00314.36
5.6.90.0120.00613.94
5.6.80.0090.00613.78
5.6.70.0120.00314.02
5.6.60.0040.00813.93
5.6.50.0060.01014.10
5.6.40.0030.01213.95
5.6.30.0070.01014.08
5.6.20.0080.00914.17
5.6.10.0080.00814.13
5.6.00.0100.00513.86
5.5.370.0090.00611.06
5.5.360.0090.00010.70
5.5.350.0070.00210.91
5.5.340.0040.00410.73
5.5.330.0000.01110.89
5.5.320.0070.00310.99
5.5.310.0070.00310.65
5.5.300.0030.00710.60
5.5.290.0070.00210.91
5.5.280.0060.00610.75
5.5.270.0100.00311.01
5.5.260.0080.00210.81
5.5.250.0110.00010.95
5.5.240.0100.00710.97
5.5.230.0000.00910.91
5.5.220.0030.00610.99
5.5.210.0030.00910.93
5.5.200.0030.00610.52
5.5.190.0110.00010.89
5.5.180.0090.00310.75
5.5.170.0100.00613.94
5.5.160.0040.01110.53
5.5.150.0050.00511.08
5.5.140.0100.00010.64
5.5.130.0110.00010.91
5.5.120.0000.01210.84
5.5.110.0000.01310.92
5.5.100.0080.00410.66
5.5.90.0130.00010.83
5.5.80.0040.00810.65
5.5.70.0000.01010.91
5.5.60.0100.00010.48
5.5.50.0070.00411.07
5.5.40.0060.00610.69
5.5.30.0090.00311.00
5.5.20.0060.00610.81
5.5.10.0050.00510.92
5.5.00.0080.00410.86
5.4.450.0090.00610.95
5.4.440.0100.00010.75
5.4.430.0110.00310.80
5.4.420.0060.00610.80
5.4.410.0080.00410.79
5.4.400.0080.00410.67
5.4.390.0100.00211.14
5.4.380.0090.00610.73
5.4.370.0030.00910.59
5.4.360.0110.00010.42
5.4.350.0060.00610.87
5.4.340.0070.00410.75
5.4.330.0060.00610.76
5.4.320.0040.00510.82
5.4.310.0050.00710.84
5.4.300.0030.00711.17
5.4.290.0060.00310.99
5.4.280.0080.00610.86
5.4.270.0090.00310.75
5.4.260.0110.00011.17
5.4.250.0090.00011.16
5.4.240.0050.00510.72
5.4.230.0090.00310.71
5.4.220.0050.00510.68
5.4.210.0080.00310.75
5.4.200.0070.00410.64
5.4.190.0000.01010.86
5.4.180.0100.00410.71
5.4.170.0090.00310.64
5.4.160.0000.01210.80
5.4.150.0060.00210.66
5.4.140.0080.00410.88
5.4.130.0110.00010.85
5.4.120.0100.00010.84
5.4.110.0000.01010.86
5.4.100.0040.00711.11
5.4.90.0000.01110.94
5.4.80.0060.00710.78
5.4.70.0110.00010.65
5.4.60.0100.00310.75
5.4.50.0090.00310.88
5.4.40.0030.00910.78
5.4.30.0120.00010.80
5.4.20.0030.00610.63
5.4.10.0060.00310.71
5.4.00.0030.00910.51
5.3.290.0000.00910.61
5.3.280.0000.01010.30
5.3.270.0040.00710.59
5.3.260.0100.00010.55
5.3.250.0110.00010.53
5.3.240.0050.00810.40
5.3.230.0060.00310.46
5.3.220.0050.00510.41
5.3.210.0030.00610.41
5.3.200.0000.01010.35
5.3.190.0040.00410.54
5.3.180.0080.00310.61
5.3.170.0040.00810.70
5.3.160.0050.00510.65
5.3.150.0000.00910.63
5.3.140.0080.00310.56
5.3.130.0070.00310.42
5.3.120.0000.01310.51
5.3.110.0060.00610.51
5.3.100.0030.00610.41
5.3.90.0050.00510.55
5.3.80.0040.00410.42
5.3.70.0090.00310.31
5.3.60.0070.00310.43
5.3.50.0030.00710.38
5.3.40.0030.00810.43
5.3.30.0040.00910.45
5.3.20.0050.00510.34
5.3.10.0080.00410.23
5.3.00.0050.00510.16
5.2.170.0040.0089.46
5.2.160.0070.0039.46
5.2.150.0030.0069.47
5.2.140.0060.0039.52
5.2.130.0070.0039.49
5.2.120.0040.0049.46
5.2.110.0080.0009.46
5.2.100.0080.0009.46
5.2.90.0070.0009.46
5.2.80.0000.0109.46
5.2.70.0020.0059.46
5.2.60.0040.0049.46
5.2.50.0020.0079.46
5.2.40.0000.0089.46
5.2.30.0000.0079.46
5.2.20.0050.0059.46
5.2.10.0070.0039.46
5.2.00.0030.0039.46
5.1.60.0070.0009.46
5.1.50.0000.0059.46
5.1.40.0070.0009.46
5.1.30.0050.0059.46
5.1.20.0040.0049.46
5.1.10.0090.0009.46
5.1.00.0060.0039.46
5.0.50.0050.0029.46
5.0.40.0000.0069.46
5.0.30.0000.0079.46
5.0.20.0060.0009.46
5.0.10.0080.0009.46
5.0.00.0000.0079.46
4.4.90.0040.0009.46
4.4.80.0030.0039.46
4.4.70.0060.0009.46
4.4.60.0000.0069.46
4.4.50.0000.0069.46
4.4.40.0000.0089.46
4.4.30.0030.0039.46
4.4.20.0000.0069.46
4.4.10.0000.0069.46
4.4.00.0000.0079.46
4.3.110.0060.0009.46
4.3.100.0040.0029.46
4.3.90.0030.0039.46
4.3.80.0000.0069.46
4.3.70.0050.0009.46
4.3.60.0020.0049.46
4.3.50.0050.0009.46
4.3.40.0030.0039.46
4.3.30.0030.0039.46
4.3.20.0000.0069.46
4.3.10.0050.0009.46
4.3.00.0020.0029.46

preferences:
59.7 ms | 401 KiB | 5 Q