3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = [ 'ar_test' => [], 'st_test' => '', ]; var_dump($var);

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)
8.3.40.0070.01418.52
8.3.30.0070.00718.91
8.3.20.0040.00420.25
8.3.10.0100.00723.53
8.3.00.0030.00520.46
8.2.170.0160.00022.96
8.2.160.0100.00322.20
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00417.63
8.2.110.0090.00022.13
8.2.100.0130.00017.78
8.2.90.0040.00419.28
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0050.00317.91
8.2.50.0080.00018.07
8.2.40.0030.00618.07
8.2.30.0050.00317.98
8.2.20.0080.00017.68
8.2.10.0000.00719.46
8.2.00.0000.00717.49
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0110.00728.09
8.1.240.0060.00323.91
8.1.230.0090.00319.10
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0090.00018.59
8.1.160.0050.00321.94
8.1.150.0040.00718.61
8.1.140.0000.00717.37
8.1.130.0000.00717.81
8.1.120.0000.00717.35
8.1.110.0050.00317.41
8.1.100.0000.00717.30
8.1.90.0030.00317.37
8.1.80.0030.00317.26
8.1.70.0000.00717.29
8.1.60.0030.00717.45
8.1.50.0030.00517.46
8.1.40.0040.00417.33
8.1.30.0040.00417.58
8.1.20.0040.00417.40
8.1.10.0050.00217.45
8.1.00.0000.00817.25
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0000.00818.30
8.0.270.0070.00017.08
8.0.260.0030.00316.74
8.0.250.0030.00316.91
8.0.240.0100.00016.82
8.0.230.0020.00516.85
8.0.220.0030.00616.88
8.0.210.0030.00316.81
8.0.200.0000.00716.86
8.0.190.0000.00716.85
8.0.180.0040.00416.86
8.0.170.0000.00916.77
8.0.160.0000.00816.74
8.0.150.0000.00816.64
8.0.140.0040.00416.73
8.0.130.0030.00313.24
8.0.120.0000.00816.78
8.0.110.0000.00816.70
8.0.100.0000.00716.70
8.0.90.0070.00016.85
8.0.80.0080.00716.80
8.0.70.0080.00016.77
8.0.60.0000.00716.70
8.0.50.0070.00016.67
8.0.30.0050.01416.99
8.0.20.0120.01117.40
8.0.10.0040.00416.99
8.0.00.0040.01516.74
7.4.330.0000.00615.00
7.4.320.0030.00316.38
7.4.300.0000.00616.43
7.4.290.0000.00716.45
7.4.280.0070.00016.43
7.4.270.0000.00716.39
7.4.260.0070.00016.46
7.4.250.0040.00416.37
7.4.240.0010.00616.44
7.4.230.0030.00316.26
7.4.220.0130.01316.48
7.4.210.0080.00816.48
7.4.200.0000.00816.22
7.4.190.0000.00716.39
7.4.160.0060.01116.39
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0120.00516.34
7.4.120.0140.00616.30
7.4.110.0130.00316.33
7.4.100.0080.00816.45
7.4.90.0060.01116.55
7.4.80.0100.01616.39
7.4.70.0060.01016.42
7.4.60.0060.01516.33
7.4.50.0030.00516.38
7.4.40.0060.00922.77
7.4.30.0110.01116.58
7.4.10.0140.00414.68
7.4.00.0030.01314.98
7.3.330.0000.00513.02
7.3.320.0000.00613.04
7.3.310.0030.00316.17
7.3.300.0060.00016.13
7.3.290.0060.00916.18
7.3.280.0110.00916.15
7.3.270.0110.00617.40
7.3.260.0100.01316.16
7.3.250.0090.01116.14
7.3.240.0100.00716.29
7.3.230.0030.01316.39
7.3.210.0080.00815.98
7.3.200.0070.01019.39
7.3.190.0100.00716.45
7.3.180.0130.00316.13
7.3.170.0000.01616.36
7.3.160.0080.00816.07
7.3.130.0070.01015.03
7.3.120.0070.00814.66
7.3.110.0040.01114.48
7.3.100.0060.00614.60
7.3.90.0110.00414.58
7.3.80.0000.01414.31
7.3.70.0120.00314.53
7.3.60.0070.00714.78
7.3.50.0100.00314.75
7.3.40.0040.00714.56
7.3.30.0040.00814.74
7.3.20.0040.00816.68
7.3.10.0060.00816.43
7.3.00.0050.00916.42
7.2.330.0090.00916.24
7.2.320.0150.00316.39
7.2.310.0100.00716.16
7.2.300.0030.01316.40
7.2.290.0150.00716.10
7.2.260.0070.01114.52
7.2.250.0060.00615.00
7.2.240.0030.01315.10
7.2.230.0070.00714.96
7.2.220.0040.01114.82
7.2.210.0060.00614.99
7.2.200.0030.01014.91
7.2.190.0060.00914.78
7.2.180.0070.00714.89
7.2.170.0120.00314.80
7.2.160.0060.00314.97
7.2.150.0100.00716.70
7.2.140.0030.01016.72
7.2.130.0120.00416.51
7.2.120.0070.00616.70
7.2.110.0050.00816.60
7.2.100.0050.00916.63
7.2.90.0100.00516.75
7.2.80.0100.00716.35
7.2.70.0060.00416.62
7.2.60.0030.01216.67
7.2.50.0120.00716.67
7.2.40.0070.00516.80
7.2.30.0080.00716.59
7.2.20.0070.00716.75
7.2.10.0080.00316.64
7.2.00.0080.00816.73
7.1.330.0030.01015.62
7.1.320.0040.00715.82
7.1.310.0060.01015.74
7.1.300.0000.00915.77
7.1.290.0100.00315.67
7.1.280.0070.00715.66
7.1.270.0000.01415.50
7.1.260.0030.01015.67
7.1.250.0090.00515.51
7.1.240.0020.01215.58
7.1.230.0040.01015.54
7.1.220.0060.00615.78
7.1.210.0050.00915.76
7.1.200.0050.00915.80
7.1.190.0030.00815.74
7.1.180.0120.00715.62
7.1.170.0040.01215.77
7.1.160.0090.00215.53
7.1.150.0070.00615.71
7.1.140.0040.00515.75
7.1.130.0050.00715.52
7.1.120.0020.01015.69
7.1.110.0060.00815.53
7.1.100.0050.01115.59
7.1.90.0040.01115.86
7.1.80.0100.00515.59
7.1.70.0110.00516.08
7.1.60.0070.01116.89
7.1.50.0030.01316.16
7.1.40.0010.01015.63
7.1.30.0050.01115.73
7.1.20.0030.00715.72
7.1.10.0020.01115.63
7.1.00.0070.02717.84
7.0.330.0060.00815.13
7.0.320.0060.00415.33
7.0.310.0030.00815.24
7.0.300.0030.01015.31
7.0.290.0100.00515.43
7.0.280.0070.00415.30
7.0.270.0080.00515.32
7.0.260.0050.00715.21
7.0.250.0030.01115.41
7.0.240.0120.00215.31
7.0.230.0100.00515.32
7.0.220.0080.00715.16
7.0.210.0070.00715.35
7.0.200.0050.00915.87
7.0.190.0030.00915.31
7.0.180.0070.00515.35
7.0.170.0070.00915.38
7.0.160.0070.01015.44
7.0.150.0020.01115.22
7.0.140.0050.02617.52
7.0.130.0060.00915.36
7.0.120.0060.00815.25
7.0.110.0070.00515.14
7.0.100.0060.03316.86
7.0.90.0060.02216.83
7.0.80.0050.03316.85
7.0.70.0050.03416.76
7.0.60.0100.02716.78
7.0.50.0240.02817.04
7.0.40.0060.03015.51
7.0.30.0050.03615.59
7.0.20.0070.03415.69
7.0.10.0030.02315.61
7.0.00.0110.02615.58
5.6.400.0100.00614.35
5.6.390.0000.01414.54
5.6.380.0100.00314.28
5.6.370.0060.01014.06
5.6.360.0070.00714.25
5.6.350.0050.00614.28
5.6.340.0020.01014.16
5.6.330.0050.00714.02
5.6.320.0060.00914.45
5.6.310.0030.01014.32
5.6.300.0050.01113.90
5.6.290.0060.00814.17
5.6.280.0070.02716.35
5.6.270.0060.00914.37
5.6.260.0070.00414.24
5.6.250.0020.03016.52
5.6.240.0030.03316.31
5.6.230.0090.03216.17
5.6.220.0060.02216.14
5.6.210.0070.02916.30
5.6.200.0090.01816.43
5.6.190.0080.03216.40
5.6.180.0080.03016.54
5.6.170.0080.03116.61
5.6.160.0080.03216.55
5.6.150.0060.03516.39
5.6.140.0060.03216.37
5.6.130.0080.03016.52
5.6.120.0030.03716.52
5.6.110.0010.03716.55
5.6.100.0020.03516.44
5.6.90.0060.03116.58
5.6.80.0050.03216.26
5.6.70.0080.02416.22
5.6.60.0080.02916.28
5.6.50.0020.03316.12
5.6.40.0070.02816.12
5.6.30.0050.03116.28
5.6.20.0090.03216.13
5.6.10.0040.03016.15
5.6.00.0070.03016.12
5.5.380.0050.03115.17
5.5.370.0070.03115.15
5.5.360.0040.03115.24
5.5.350.0080.03315.07
5.5.340.0090.02915.37
5.5.330.0080.02715.48
5.5.320.0040.03315.46
5.5.310.0090.02915.23
5.5.300.0080.02815.32
5.5.290.0100.02915.32
5.5.280.0070.03015.34
5.5.270.0080.03115.30
5.5.260.0040.02615.23
5.5.250.0080.02915.23
5.5.240.0040.02814.80
5.5.230.0070.02015.02
5.5.220.0030.03414.99
5.5.210.0040.03015.18
5.5.200.0080.02714.81
5.5.190.0090.02714.96
5.5.180.0080.03114.96
5.5.170.0060.00412.24
5.5.160.0070.03115.02
5.5.150.0080.02815.01
5.5.140.0080.03015.07
5.5.130.0070.02715.00
5.5.120.0080.02515.03
5.5.110.0050.02214.98
5.5.100.0100.02914.93
5.5.90.0070.02814.96
5.5.80.0040.03215.04
5.5.70.0090.02615.02
5.5.60.0080.01814.96
5.5.50.0080.02815.04
5.5.40.0100.02315.00
5.5.30.0040.02815.06
5.5.20.0090.02414.98
5.5.10.0090.02814.91
5.5.00.0030.03314.95
5.4.450.0070.02014.11
5.4.440.0100.02814.16
5.4.430.0050.02014.06
5.4.420.0050.03014.20
5.4.410.0090.02713.93
5.4.400.0050.02913.89
5.4.390.0030.03213.90
5.4.380.0040.02714.03
5.4.370.0040.02913.96
5.4.360.0040.03214.03
5.4.350.0040.02913.97
5.4.340.0030.02414.02
5.4.330.0040.00411.47
5.4.320.0080.02613.85
5.4.310.0050.02113.98
5.4.300.0050.02513.99
5.4.290.0070.02113.99
5.4.280.0090.02713.96
5.4.270.0030.03113.84
5.4.260.0070.03013.99
5.4.250.0030.03113.91
5.4.240.0080.02413.93
5.4.230.0090.02313.86
5.4.220.0070.03014.01
5.4.210.0050.03013.90
5.4.200.0080.02614.06
5.4.190.0030.03313.93
5.4.180.0060.02813.95
5.4.170.0040.03113.92
5.4.160.0050.02813.98
5.4.150.0060.03014.00
5.4.140.0060.02713.00
5.4.130.0070.01712.98
5.4.120.0070.02613.10
5.4.110.0060.02913.00
5.4.100.0080.02413.08
5.4.90.0070.02813.03
5.4.80.0060.02813.05
5.4.70.0040.02913.00
5.4.60.0050.02813.04
5.4.50.0080.02512.95
5.4.40.0050.03013.12
5.4.30.0060.02612.94
5.4.20.0010.03013.05
5.4.10.0060.02812.96
5.4.00.0030.03012.86
5.3.290.0080.02812.31
5.3.280.0030.02512.28
5.3.270.0040.02912.23
5.3.260.0070.02812.21
5.3.250.0040.02412.31
5.3.240.0020.03212.18
5.3.230.0080.02412.28
5.3.220.0080.02612.24
5.3.210.0060.03112.17
5.3.200.0050.03012.18
5.3.190.0030.02312.25
5.3.180.0050.02912.17
5.3.170.0060.03012.26
5.3.160.0120.02512.28
5.3.150.0080.02512.28
5.3.140.0050.02412.26
5.3.130.0070.01812.28
5.3.120.0070.02912.22
5.3.110.0090.02812.30
5.3.100.0100.02712.08
5.3.90.0100.02312.10
5.3.80.0050.02312.01
5.3.70.0090.02711.99
5.3.60.0050.02811.99
5.3.50.0070.01612.09
5.3.40.0100.02312.05
5.3.30.0060.02612.01
5.3.20.0060.02112.00
5.3.10.0060.02711.83
5.3.00.0040.03111.90
5.2.170.0060.03410.59
5.2.160.0020.03710.59
5.2.150.0030.02310.59
5.2.140.0080.03110.59
5.2.130.0050.03710.59
5.2.120.0080.03110.59
5.2.110.0070.03310.59
5.2.100.0040.03410.59
5.2.90.0020.02310.59
5.2.80.0110.03010.59
5.2.70.0080.03510.59
5.2.60.0040.03310.59
5.2.50.0070.03210.59
5.2.40.0070.03210.59
5.2.30.0090.03110.59
5.2.20.0070.03310.59
5.2.10.0100.02810.59
5.2.00.0030.03610.59
5.1.60.0050.03110.59
5.1.50.0050.01910.59
5.1.40.0020.03010.59
5.1.30.0040.03110.59
5.1.20.0090.02510.59
5.1.10.0040.02910.59
5.1.00.0050.03010.59
5.0.50.0020.01810.59
5.0.40.0030.02410.59
5.0.30.0080.03210.59
5.0.20.0030.02310.59
5.0.10.0060.02310.59
5.0.00.0000.03010.59
4.4.90.0040.01710.59
4.4.80.0040.01710.59
4.4.70.0000.02410.59
4.4.60.0000.02410.59
4.4.50.0050.02010.59
4.4.40.0060.02510.59
4.4.30.0050.01810.59
4.4.20.0030.01810.59
4.4.10.0020.01310.59
4.4.00.0040.02710.59
4.3.110.0020.01210.59
4.3.100.0050.01710.59
4.3.90.0020.02010.59
4.3.80.0010.02210.59
4.3.70.0050.01710.59
4.3.60.0030.00810.59
4.3.50.0020.01510.59
4.3.40.0030.02710.59
4.3.30.0010.01910.59
4.3.20.0000.02010.59
4.3.10.0020.01610.59
4.3.00.0020.01610.59

preferences:
41.72 ms | 400 KiB | 5 Q