3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = NULL; print_r((array) $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)
8.3.60.0070.01516.63
8.3.50.0150.00016.59
8.3.40.0030.01218.46
8.3.30.0110.00418.48
8.3.20.0070.00021.79
8.3.10.0040.00421.60
8.3.00.0030.00519.55
8.2.180.0100.00718.16
8.2.170.0070.00722.96
8.2.160.0070.00719.29
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00420.35
8.2.120.0030.00626.35
8.2.110.0060.00320.96
8.2.100.0040.00817.78
8.2.90.0090.00019.05
8.2.80.0080.00019.23
8.2.70.0000.00917.63
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0050.00220.19
8.2.30.0000.00819.10
8.2.20.0070.00017.89
8.2.10.0050.00317.88
8.2.00.0000.00718.08
8.1.280.0100.00325.92
8.1.270.0080.00023.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0000.01117.76
8.1.220.0070.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0030.00717.23
8.1.180.0000.00718.10
8.1.170.0050.00318.62
8.1.160.0000.00718.71
8.1.150.0000.00718.75
8.1.140.0000.00719.49
8.1.130.0030.00318.89
8.1.120.0020.00517.39
8.1.110.0000.00717.41
8.1.100.0050.00317.41
8.1.90.0040.00417.29
8.1.80.0000.00817.34
8.1.70.0030.00317.47
8.1.60.0080.00017.48
8.1.50.0070.00017.42
8.1.40.0000.00817.47
8.1.30.0040.00417.69
8.1.20.0000.00717.64
8.1.10.0050.00217.40
8.1.00.0080.00017.43
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0070.00018.42
8.0.270.0030.00717.11
8.0.260.0000.00718.99
8.0.250.0040.00416.77
8.0.240.0030.00316.86
8.0.230.0030.00316.88
8.0.220.0000.00716.82
8.0.210.0040.00416.74
8.0.200.0000.00716.84
8.0.190.0000.00916.86
8.0.180.0000.00716.79
8.0.170.0080.00016.88
8.0.160.0070.00016.69
8.0.150.0000.00816.81
8.0.140.0050.00216.69
8.0.130.0080.00013.20
8.0.120.0000.00716.83
8.0.110.0070.00016.70
8.0.100.0040.00416.84
8.0.90.0040.00416.76
8.0.80.0100.01016.85
8.0.70.0030.00516.59
8.0.60.0040.00416.86
8.0.50.0050.00216.69
8.0.30.0130.00316.95
8.0.20.0100.00817.40
8.0.10.0030.00516.81
8.0.00.0060.01016.56
7.4.330.0000.00515.55
7.4.320.0070.00016.55
7.4.300.0000.00616.48
7.4.290.0080.00016.56
7.4.280.0060.00316.50
7.4.270.0050.00316.63
7.4.260.0030.00316.49
7.4.250.0000.00816.51
7.4.240.0040.00416.59
7.4.230.0030.00316.66
7.4.220.0060.01016.55
7.4.210.0110.00316.60
7.4.200.0000.00716.60
7.4.160.0130.00416.64
7.4.150.0080.01017.40
7.4.140.0130.00917.86
7.4.130.0120.00916.25
7.4.120.0110.00816.49
7.4.110.0110.00716.42
7.4.100.0120.01216.43
7.4.90.0110.00616.41
7.4.80.0090.00919.39
7.4.70.0030.01516.50
7.4.60.0090.00616.24
7.4.50.0110.00216.29
7.4.40.0090.00616.48
7.4.30.0090.01216.35
7.4.10.0090.00915.11
7.4.00.0130.00315.06
7.3.330.0060.00012.94
7.3.320.0000.00513.11
7.3.310.0040.00416.05
7.3.300.0030.00316.08
7.3.290.0100.00816.19
7.3.280.0090.00816.15
7.3.270.0030.01617.40
7.3.260.0140.00416.14
7.3.250.0090.00816.24
7.3.240.0110.00816.45
7.3.230.0100.00716.23
7.3.210.0040.01116.37
7.3.200.0080.00816.43
7.3.190.0090.00916.36
7.3.180.0060.01516.48
7.3.170.0000.01716.16
7.3.160.0050.01016.27
7.3.130.0030.01314.78
7.3.120.0130.00614.77
7.3.110.0030.01014.65
7.3.100.0070.01014.71
7.3.90.0040.01114.93
7.3.80.0000.00915.01
7.3.70.0030.00814.77
7.3.60.0090.00614.47
7.3.50.0000.01114.68
7.3.40.0040.00414.85
7.3.30.0090.00614.68
7.3.20.0000.01016.70
7.3.10.0080.00416.59
7.3.00.0130.00016.66
7.2.330.0100.00616.39
7.2.320.0120.00916.52
7.2.310.0070.01116.26
7.2.300.0160.00716.47
7.2.290.0090.00916.29
7.2.260.0110.00715.00
7.2.250.0120.00614.98
7.2.240.0030.01015.11
7.2.230.0070.01014.53
7.2.220.0100.01014.77
7.2.210.0000.01214.75
7.2.200.0000.01515.00
7.2.190.0120.00314.82
7.2.180.0030.00914.82
7.2.170.0100.00014.89
7.2.160.0090.00615.03
7.2.150.0060.00616.40
7.2.140.0100.00716.87
7.2.130.0120.00316.82
7.2.120.0000.01416.65
7.2.110.0040.01116.80
7.2.100.0090.00616.78
7.2.90.0040.00816.86
7.2.80.0020.01316.63
7.2.70.0060.00616.88
7.2.60.0050.00616.67
7.2.50.0040.00416.64
7.2.40.0130.00316.98
7.2.30.0060.00916.85
7.2.20.0070.00316.56
7.2.10.0000.01416.89
7.2.00.0110.00418.16
7.1.330.0040.00815.53
7.1.320.0080.00815.43
7.1.310.0040.00715.86
7.1.300.0070.00715.43
7.1.290.0000.00915.69
7.1.280.0030.01015.74
7.1.270.0030.00615.74
7.1.260.0000.01215.61
7.1.250.0030.00915.52
7.1.240.0060.00315.70
7.1.230.0070.00715.71
7.1.220.0080.00815.69
7.1.210.0000.01215.63
7.1.200.0030.01115.46
7.1.190.0000.01115.75
7.1.180.0000.01315.75
7.1.170.0120.00415.57
7.1.160.0040.00815.86
7.1.150.0080.00615.78
7.1.140.0070.00715.72
7.1.130.0050.00515.58
7.1.120.0000.01515.78
7.1.110.0070.00415.88
7.1.100.0030.00816.58
7.1.90.0100.00315.61
7.1.80.0060.00315.51
7.1.70.0050.00516.22
7.1.60.0050.00816.31
7.1.50.0480.01124.13
7.1.40.0300.00723.87
7.1.30.0300.01224.11
7.1.20.0370.00824.13
7.1.10.0290.00914.92
7.1.00.0250.00515.14
7.0.330.0040.00415.42
7.0.320.0030.00515.40
7.0.310.0070.00715.31
7.0.300.0060.00615.24
7.0.290.0000.01415.07
7.0.280.0080.00415.07
7.0.270.0030.01315.34
7.0.260.0070.00315.35
7.0.250.0110.00315.47
7.0.240.0040.00815.36
7.0.230.0100.00315.41
7.0.220.0000.01515.26
7.0.210.0060.00615.32
7.0.200.0070.00816.10
7.0.190.0280.00815.00
7.0.180.0300.01014.62
7.0.170.0340.00614.79
7.0.160.0270.00714.84
7.0.150.0190.00914.63
7.0.140.0150.00814.94
7.0.130.0230.00314.85
7.0.120.0200.00514.99
7.0.110.0150.01014.73
7.0.100.0190.00714.87
7.0.90.0140.01114.67
7.0.80.0150.00714.79
7.0.70.0120.01014.85
7.0.60.0190.00914.55
7.0.50.0180.01014.91
7.0.40.0220.00713.96
7.0.30.0200.00613.92
7.0.20.0200.01013.93
7.0.10.0400.00913.81
7.0.00.0200.00713.92
5.6.400.0030.01014.51
5.6.390.0070.00714.11
5.6.380.0080.00014.27
5.6.370.0120.00314.27
5.6.360.0060.00614.46
5.6.350.0090.00614.49
5.6.340.0060.00614.39
5.6.330.0080.00014.58
5.6.320.0030.00614.34
5.6.310.0090.00314.40
5.6.300.0060.00314.20
5.6.290.0090.00614.37
5.6.280.0030.01014.48
5.6.270.0000.01113.93
5.6.260.0040.01214.37
5.6.250.0070.01014.17
5.6.240.0060.00314.06
5.6.230.0030.00614.09
5.6.220.0040.00714.19
5.6.210.0040.01114.14
5.6.200.0030.00714.04
5.6.190.0000.01514.11
5.6.180.0090.00913.97
5.6.170.0120.00614.16
5.6.160.0070.01014.09
5.6.150.0050.00514.13
5.6.140.0060.00614.34
5.6.130.0100.00314.40
5.6.120.0040.00414.33
5.6.110.0030.01014.07
5.6.100.0140.00014.33
5.6.90.0030.00614.49
5.6.80.0060.00914.17
5.6.70.0030.01014.12
5.6.60.0090.00614.11
5.6.50.0030.00613.83
5.6.40.0100.00314.22
5.6.30.0030.01214.36
5.6.20.0040.00814.14
5.6.10.0030.00714.06
5.6.00.0060.00314.26

preferences:
64.83 ms | 401 KiB | 5 Q