3v4l.org

run code in 300+ PHP versions simultaneously
<?php is_null("");

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)
8.3.60.0170.00316.34
8.3.50.0110.00621.98
8.3.40.0080.00618.54
8.3.30.0150.00018.98
8.3.20.0040.00420.21
8.3.10.0000.00820.33
8.3.00.0000.00919.38
8.2.180.0070.00716.32
8.2.170.0100.00722.96
8.2.160.0140.00020.41
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00420.98
8.2.110.0030.00720.86
8.2.100.0090.00318.09
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0060.00317.75
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0030.00319.33
8.2.20.0040.00417.61
8.2.10.0040.00417.91
8.2.00.0050.00317.47
8.1.280.0060.00925.92
8.1.270.0050.00323.85
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00421.23
8.1.230.0090.00319.42
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0080.00016.88
8.1.180.0040.00418.10
8.1.170.0100.00018.52
8.1.160.0050.00322.00
8.1.150.0030.00518.79
8.1.140.0040.00417.34
8.1.130.0030.00317.79
8.1.120.0030.00317.35
8.1.110.0020.00517.28
8.1.100.0000.00817.25
8.1.90.0050.00217.35
8.1.80.0000.00717.36
8.1.70.0030.00317.26
8.1.60.0050.00517.39
8.1.50.0040.00417.43
8.1.40.0050.00217.25
8.1.30.0000.00817.50
8.1.20.0030.00517.55
8.1.10.0000.00717.29
8.1.00.0080.00017.27
8.0.300.0040.00418.77
8.0.290.0060.00216.75
8.0.280.0070.00018.18
8.0.270.0000.00717.03
8.0.260.0030.00317.05
8.0.250.0000.00616.77
8.0.240.0000.00616.89
8.0.230.0040.00416.74
8.0.220.0030.00316.71
8.0.210.0030.00316.84
8.0.200.0060.00016.91
8.0.190.0040.00416.86
8.0.180.0070.00016.89
8.0.170.0040.00416.85
8.0.160.0070.00016.82
8.0.150.0070.00016.78
8.0.140.0040.00416.81
8.0.130.0000.00513.28
8.0.120.0000.00816.77
8.0.110.0040.00416.73
8.0.100.0000.00816.83
8.0.90.0000.00816.79
8.0.80.0030.01216.77
8.0.70.0000.00816.68
8.0.60.0040.00416.77
8.0.50.0000.00716.87
8.0.30.0140.00816.96
8.0.20.0120.01017.40
8.0.10.0240.00717.11
8.0.00.0150.00816.60
7.4.330.0050.00015.02
7.4.320.0030.00316.26
7.4.300.0060.00016.32
7.4.290.0030.00316.46
7.4.280.0040.00416.36
7.4.270.0000.00716.38
7.4.260.0030.00316.48
7.4.250.0000.00716.35
7.4.240.0040.00416.29
7.4.230.0040.00416.34
7.4.220.0060.01216.22
7.4.210.0070.00716.48
7.4.200.0070.00016.55
7.4.160.0090.00616.52
7.4.150.0120.00617.40
7.4.140.0140.00617.38
7.4.130.0120.01016.49
7.4.120.0140.00816.41
7.4.110.0190.00816.45
7.4.100.0140.00916.45
7.4.90.0150.00816.27
7.4.80.0120.01817.89
7.4.70.0140.00916.43
7.4.60.0140.01116.35
7.4.50.0100.00816.18
7.4.40.0190.00616.44
7.4.30.0170.00616.34
7.4.20.0240.01116.23
7.4.10.0250.00416.31
7.4.00.0140.00815.55
7.3.330.0050.00013.09
7.3.320.0000.00512.92
7.3.310.0000.00716.12
7.3.300.0040.00416.09
7.3.290.0070.00616.24
7.3.280.0080.00916.21
7.3.270.0090.00917.40
7.3.260.0040.01516.18
7.3.250.0140.01016.18
7.3.240.0180.01016.30
7.3.230.0180.00916.46
7.3.220.0310.00016.09
7.3.210.0160.00916.32
7.3.200.0170.01017.85
7.3.190.0170.01116.30
7.3.180.0150.01016.20
7.3.170.0200.00316.18
7.3.160.0160.00816.21
7.3.150.0270.00516.05
7.3.140.0220.01216.18
7.3.130.0250.00716.33
7.3.120.0170.01316.29
7.3.110.0280.01016.08
7.3.100.0180.00715.54
7.3.90.0160.00915.31
7.3.80.0150.01015.49
7.3.70.0160.00715.49
7.3.60.0170.01015.40
7.3.50.0180.00615.34
7.3.40.0130.01015.35
7.3.30.0210.00815.49
7.3.20.0150.01415.46
7.3.10.0130.00915.70
7.3.00.0110.00715.71
7.2.340.0320.00816.61
7.2.330.0190.00716.38
7.2.320.0170.00716.22
7.2.310.0130.01016.44
7.2.300.0180.00516.37
7.2.290.0190.00516.60
7.2.280.0270.00316.43
7.2.270.0290.00416.55
7.2.260.0160.01616.62
7.2.250.0250.00616.38
7.2.240.0210.01216.54
7.2.230.0110.01315.61
7.2.220.0160.01115.79
7.2.210.0190.00715.61
7.2.200.0120.01415.60
7.2.190.0190.00815.65
7.2.180.0150.01215.63
7.2.170.0160.01015.61
7.2.160.0220.00415.56
7.2.150.0180.00815.73
7.2.140.0180.00915.65
7.2.130.0140.01016.06
7.2.120.0160.00615.91
7.2.110.0120.00815.90
7.2.100.0160.00915.97
7.2.90.0160.00816.05
7.2.80.0110.01016.07
7.2.70.0170.00715.88
7.2.60.0100.01116.07
7.2.50.0150.00715.88
7.2.40.0160.00516.09
7.2.30.0110.01016.02
7.2.20.0130.00815.96
7.2.10.0170.00215.92
7.2.00.0120.00716.69
7.1.330.0270.00315.51
7.1.320.0140.01014.66
7.1.310.0100.01314.56
7.1.300.0140.00814.66
7.1.290.0150.01114.62
7.1.280.0210.01014.65
7.1.270.0170.00714.62
7.1.260.0150.00914.49
7.1.250.0170.00514.91
7.1.240.0100.01414.47
7.1.230.0170.00814.59
7.1.220.0170.00614.56
7.1.210.0250.00214.53
7.1.200.0230.00814.96
7.1.190.0230.00614.53
7.1.180.0160.01214.56
7.1.170.0150.01214.37
7.1.160.0370.00414.62
7.1.150.0140.01014.58
7.1.140.0170.00514.49
7.1.130.0240.01114.52
7.1.120.0190.00614.52
7.1.110.0140.00914.63
7.1.100.0110.00915.69
7.1.90.0140.00814.57
7.1.80.0100.01214.56
7.1.70.0100.00815.42
7.1.60.0140.00615.37
7.1.50.0100.01015.32
7.1.40.0100.00915.17
7.1.30.0130.00915.18
7.1.20.0140.00615.24
7.1.10.0110.00815.14
7.1.00.0120.01015.31
7.0.330.0110.00914.12
7.0.320.0150.00914.18
7.0.310.0200.00414.11
7.0.300.0140.00713.95
7.0.290.0180.00314.16
7.0.280.0150.00714.27
7.0.270.0180.00114.12
7.0.260.0100.01414.02
7.0.250.0140.00814.17
7.0.240.0160.00714.14
7.0.230.0140.00614.09
7.0.220.0150.00714.19
7.0.210.0160.00414.04
7.0.200.0150.00714.97
7.0.190.0070.01014.91
7.0.180.0090.00814.83
7.0.170.0090.00814.99
7.0.160.0140.00614.98
7.0.150.0140.00714.83
7.0.140.0130.00414.95
7.0.130.0140.00414.96
7.0.120.0150.00614.93
7.0.110.0140.00714.92
7.0.100.0150.00314.84
7.0.90.0100.00714.94
7.0.80.0140.00214.86
7.0.70.0110.00514.85
7.0.60.0090.00814.81
7.0.50.0140.00315.01
7.0.40.0090.00714.92
7.0.30.0170.00514.80
7.0.20.0120.00714.90
7.0.10.0120.00515.02
7.0.00.0120.00714.97
5.6.400.0220.01614.99
5.6.390.0120.01214.65
5.6.380.0240.00814.67
5.6.370.0140.00914.96
5.6.360.0180.00714.70
5.6.350.0140.01014.84
5.6.340.0170.00514.85
5.6.330.0100.01614.81
5.6.320.0150.00714.66
5.6.310.0160.00814.69
5.6.300.0100.02416.94
5.6.290.0130.01916.91
5.6.280.0080.02516.82
5.6.270.0110.02516.79
5.6.260.0170.02316.71
5.6.250.0110.01916.84
5.6.240.0070.02516.90
5.6.230.0110.02016.78
5.6.220.0110.02216.81
5.6.210.0110.01916.68
5.6.200.0090.02116.88
5.6.190.0120.01916.78
5.6.180.0140.01716.75
5.6.170.0100.02216.81
5.6.160.0160.01716.80
5.6.150.0070.02416.90
5.6.140.0100.02216.83
5.6.130.0120.01816.82
5.6.120.0070.02316.86
5.6.110.0100.02216.94
5.6.100.0130.02216.89
5.6.90.0130.01816.84
5.6.80.0120.01916.63
5.6.70.0100.02216.51
5.6.60.0130.01816.54
5.6.50.0130.01516.73
5.6.40.0090.02116.56
5.6.30.0090.02516.59
5.6.20.0070.02316.66
5.6.10.0120.01916.51
5.6.00.0100.01916.64
5.5.380.0100.02015.62
5.5.370.0120.01815.62
5.5.360.0110.02115.67
5.5.350.0180.01415.67
5.5.340.0040.02815.81
5.5.330.0130.02115.79
5.5.320.0130.02015.89
5.5.310.0100.02115.75
5.5.300.0080.02415.79
5.5.290.0130.01915.83
5.5.280.0120.01715.78
5.5.270.0110.02415.82
5.5.260.0110.01915.87
5.5.250.0140.02015.65
5.5.240.0100.01915.64
5.5.230.0160.01715.60
5.5.220.0150.01415.74
5.5.210.0160.01815.60
5.5.200.0150.01715.65
5.5.190.0110.02415.41
5.5.180.0100.02015.59
5.5.170.0140.00914.67
5.5.160.0120.02115.53
5.5.150.0140.01715.75
5.5.140.0080.02215.65
5.5.130.0080.02215.52
5.5.120.0120.02015.67
5.5.110.0110.02115.62
5.5.100.0100.02115.68
5.5.90.0060.02315.68
5.5.80.0110.01915.32
5.5.70.0090.01915.51
5.5.60.0100.01815.58
5.5.50.0110.03215.48
5.5.40.0110.02115.59
5.5.30.0090.02115.38
5.5.20.0130.01915.57
5.5.10.0110.02015.48
5.5.00.0080.02115.54
5.4.450.0110.01814.15
5.4.440.0070.02014.12
5.4.430.0160.01414.14
5.4.420.0080.01714.13
5.4.410.0060.02014.04
5.4.400.0090.01813.96
5.4.390.0110.01714.05
5.4.380.0090.01514.00
5.4.370.0110.02113.81
5.4.360.0100.01513.96
5.4.350.0120.01713.99
5.4.340.0100.01713.83
5.4.330.0130.00711.54
5.4.320.0100.01613.97
5.4.310.0060.01813.95
5.4.300.0090.01713.91
5.4.290.0130.01714.00
5.4.280.0160.01814.00
5.4.270.0090.01714.06
5.4.260.0060.02013.91
5.4.250.0050.02113.83
5.4.240.0090.02114.00
5.4.230.0100.01613.85
5.4.220.0120.02113.87
5.4.210.0110.01313.90
5.4.200.0080.02113.97
5.4.190.0060.01814.02
5.4.180.0110.02513.96
5.4.170.0050.02014.08
5.4.160.0100.01514.05
5.4.150.0050.02113.94
5.4.140.0050.01913.20
5.4.130.0100.01413.25
5.4.120.0080.01613.18
5.4.110.0070.02213.09
5.4.100.0080.01713.18
5.4.90.0080.01713.13
5.4.80.0100.01313.17
5.4.70.0060.01913.20
5.4.60.0080.01713.18
5.4.50.0090.01813.16
5.4.40.0120.01213.19
5.4.30.0130.01713.17
5.4.20.0080.01613.17
5.4.10.0060.01713.17
5.4.00.0090.01513.16

preferences:
43.38 ms | 401 KiB | 5 Q