3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; var_dump(is_null($a));

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)
8.3.40.0070.01118.59
8.3.30.0070.00720.19
8.3.20.0040.00420.21
8.3.10.0050.00222.00
8.3.00.0000.00722.43
8.2.170.0060.00922.96
8.2.160.0070.00720.38
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0130.00320.63
8.2.110.0110.00020.99
8.2.100.0070.00417.72
8.2.90.0030.00619.27
8.2.80.0040.00417.97
8.2.70.0040.00417.25
8.2.60.0020.00517.79
8.2.50.0030.00518.10
8.2.40.0070.00020.59
8.2.30.0000.00819.14
8.2.20.0070.00017.52
8.2.10.0080.00417.53
8.2.00.0070.00617.56
8.1.270.0050.00323.99
8.1.260.0030.00626.35
8.1.250.0030.00628.09
8.1.240.0040.00421.05
8.1.230.0100.00020.43
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0040.00418.61
8.1.160.0040.00418.82
8.1.150.0000.00720.16
8.1.140.0040.00717.40
8.1.130.0060.00517.49
8.1.120.0050.00617.43
8.1.110.0090.00317.36
8.1.100.0100.00217.45
8.1.90.0050.00617.34
8.1.80.0050.00717.35
8.1.70.0080.00417.40
8.1.60.0110.00217.51
8.1.50.0060.00717.39
8.1.40.0070.00617.47
8.1.30.0080.00517.53
8.1.20.0090.00417.54
8.1.10.0080.00417.45
8.1.00.0040.00917.37
8.0.300.0040.00418.77
8.0.290.0050.00316.60
8.0.280.0030.00318.43
8.0.270.0070.00316.73
8.0.260.0030.00517.53
8.0.250.0060.00317.76
8.0.240.0020.00616.79
8.0.230.0040.00316.79
8.0.220.0020.00516.78
8.0.210.0020.00516.71
8.0.200.0030.00416.84
8.0.190.0060.00216.87
8.0.180.0040.00416.73
8.0.170.0060.00316.78
8.0.160.0040.00316.78
8.0.150.0040.00416.71
8.0.140.0080.00116.67
8.0.130.0000.00614.94
8.0.120.0030.00516.63
8.0.110.0030.00616.72
8.0.100.0040.00516.69
8.0.90.0060.00216.64
8.0.80.0070.00816.78
8.0.70.0040.00716.66
8.0.60.0050.00616.66
8.0.50.0110.00116.79
8.0.30.0080.00916.99
8.0.20.0120.00717.19
8.0.10.0060.00616.84
8.0.00.0060.01016.68
7.4.330.0080.00421.00
7.4.320.0080.00316.44
7.4.300.0050.00516.41
7.4.290.0070.00416.39
7.4.280.0080.00516.49
7.4.270.0050.00616.48
7.4.260.0070.00514.83
7.4.250.0100.00216.37
7.4.240.0050.00516.45
7.4.230.0110.00016.51
7.4.220.0070.00516.45
7.4.210.0100.00416.49
7.4.200.0030.00716.46
7.4.190.0040.00616.50
7.4.180.0100.00316.56
7.4.160.0080.01016.43
7.4.150.0120.00616.93
7.4.140.0110.00517.35
7.4.130.0080.00916.27
7.4.120.0080.00916.37
7.4.110.0070.00916.22
7.4.100.0090.00616.51
7.4.90.0090.00716.37
7.4.80.0120.00317.78
7.4.70.0130.00116.31
7.4.60.0100.00516.38
7.4.50.0080.00416.21
7.4.40.0090.00419.42
7.4.30.0050.01016.11
7.4.20.0030.01016.35
7.4.10.0110.00216.14
7.4.00.0070.00615.62
7.3.330.0090.00114.57
7.3.320.0050.00614.50
7.3.310.0110.00016.14
7.3.300.0070.00516.09
7.3.290.0050.01016.04
7.3.280.0080.00716.08
7.3.270.0060.01216.80
7.3.260.0120.00716.15
7.3.250.0130.00616.20
7.3.240.0120.00716.23
7.3.230.0120.00516.19
7.3.220.0110.00416.03
7.3.210.0110.00616.09
7.3.200.0070.01017.68
7.3.190.0130.00316.20
7.3.180.0050.01016.11
7.3.170.0110.00616.31
7.3.160.0130.00516.04
7.3.150.0150.00016.07
7.3.140.0080.00816.02
7.3.130.0150.00015.96
7.3.120.0110.00315.47
7.3.110.0140.00016.06
7.3.100.0070.00615.22
7.3.90.0050.00815.48
7.3.80.0060.00815.40
7.3.70.0070.00815.27
7.3.60.0060.01115.43
7.3.50.0100.00715.51
7.3.40.0080.00615.44
7.3.30.0070.00815.19
7.3.20.0120.00516.37
7.3.10.0100.00516.23
7.3.00.0130.00316.48
7.2.340.0110.00516.09
7.2.330.0130.00316.30
7.2.320.0070.01016.31
7.2.310.0150.00516.39
7.2.300.0110.00516.19
7.2.290.0070.00916.40
7.2.280.0090.00515.97
7.2.270.0110.00316.06
7.2.260.0100.00316.24
7.2.250.0100.00616.11
7.2.240.0140.00015.98
7.2.230.0100.00316.06
7.2.220.0070.00715.38
7.2.210.0080.00615.28
7.2.200.0110.00415.46
7.2.190.0090.00815.63
7.2.180.0100.00515.61
7.2.170.0080.00615.43
7.2.160.0100.00315.60
7.2.150.0090.00816.56
7.2.140.0100.00616.46
7.2.130.0090.00716.67
7.2.120.0080.00616.62
7.2.110.0070.00816.56
7.2.100.0070.00916.72
7.2.90.0100.00616.52
7.2.80.0080.00916.69
7.2.70.0100.00516.55
7.2.60.0080.00716.75
7.2.50.0100.00616.57
7.2.40.0100.00816.50
7.2.30.0120.00616.68
7.2.20.0060.00816.58
7.2.10.0140.00516.71
7.2.00.0110.00416.62
7.1.330.0070.00717.15
7.1.320.0100.00415.26
7.1.310.0130.00315.26
7.1.300.0100.00615.51
7.1.290.0090.00515.44
7.1.280.0090.00615.61
7.1.270.0070.00815.48
7.1.260.0070.00715.32
7.1.250.0110.00215.64
7.1.240.0120.00415.41
7.1.230.0070.01015.48
7.1.220.0120.00515.48
7.1.210.0100.00715.50
7.1.200.0050.00915.57
7.1.190.0220.00415.31
7.1.180.0120.00415.40
7.1.170.0120.00515.11
7.1.160.0100.01015.36
7.1.150.0120.00515.36
7.1.140.0090.00715.39
7.1.130.0140.00515.31
7.1.120.0120.00515.30
7.1.110.0120.00515.43
7.1.100.0100.00715.36
7.1.90.0220.00615.48
7.1.80.0130.00615.57
7.1.70.0070.00815.88
7.1.60.0120.00616.72
7.1.50.0170.00915.94
7.1.40.0130.00415.31
7.1.30.0140.00315.46
7.1.20.0170.00315.36
7.1.10.0080.00915.30
7.1.00.0120.01917.79
7.0.330.0080.00915.25
7.0.320.0120.00514.88
7.0.310.0170.00115.12
7.0.300.0140.00415.14
7.0.290.0150.00315.07
7.0.280.0100.00715.12
7.0.270.0150.00815.05
7.0.260.0080.00915.22
7.0.250.0150.00415.19
7.0.240.0100.00615.24
7.0.230.0100.00815.16
7.0.220.0110.00815.16
7.0.210.0150.00215.24
7.0.200.0100.00415.68
7.0.190.0110.01015.17
7.0.180.0150.00215.23
7.0.170.0150.00415.12
7.0.160.0160.00115.09
7.0.150.0140.00415.10
7.0.140.0070.03017.50
7.0.130.0090.00815.12
7.0.120.0140.00415.05
7.0.110.0130.00715.09
7.0.100.0160.00215.13
7.0.90.0100.00815.04
7.0.80.0150.00215.01
7.0.70.0110.03216.60
7.0.60.0160.02816.70
7.0.50.0120.03116.79
7.0.40.0140.02916.92
7.0.30.0140.02516.74
7.0.20.0110.02316.80
7.0.10.0090.01716.79
7.0.00.0160.02816.70
5.6.400.0070.00814.97
5.6.390.0130.00315.06
5.6.380.0100.00515.15
5.6.370.0100.00715.06
5.6.360.0100.00515.17
5.6.350.0120.00614.96
5.6.340.0120.00515.07
5.6.330.0190.00215.14
5.6.320.0100.00615.00
5.6.310.0140.00215.19
5.6.300.0070.01115.13
5.6.290.0140.00514.90
5.6.280.0100.03317.08
5.6.270.0100.00615.02
5.6.260.0050.01215.19
5.6.250.0150.00115.11
5.6.240.0130.00315.10
5.6.230.0080.00815.01
5.6.220.0060.03416.92
5.6.210.0090.02716.95
5.6.200.0090.03417.00
5.6.190.0080.02217.05
5.6.180.0090.02417.05
5.6.170.0120.02917.06
5.6.160.0110.02117.04
5.6.150.0100.03217.03
5.6.140.0110.03017.05
5.6.130.0060.03517.06
5.6.120.0100.03217.01
5.6.110.0100.01916.97
5.6.100.0090.02617.11
5.6.90.0120.02217.06
5.6.80.0130.02716.76
5.6.70.0130.02116.75
5.6.60.0100.02516.82
5.6.50.0100.02916.88
5.6.40.0150.02616.85
5.6.30.0140.02616.90
5.6.20.0100.03216.82
5.6.10.0110.02816.73
5.6.00.0110.01716.74
5.5.380.0040.01215.03
5.5.370.0100.00615.08
5.5.360.0080.03316.79
5.5.350.0130.02916.81
5.5.340.0100.02817.03
5.5.330.0120.02816.95
5.5.320.0130.02817.04
5.5.310.0080.03216.97
5.5.300.0120.03016.98
5.5.290.0090.03216.84
5.5.280.0090.03116.82
5.5.270.0100.01716.98
5.5.260.0080.03017.06
5.5.250.0100.02916.90
5.5.240.0140.02416.72
5.5.230.0130.01816.69
5.5.220.0110.02716.69
5.5.210.0100.02916.74
5.5.200.0060.03416.79
5.5.190.0110.01516.68
5.5.180.0120.03116.72
5.5.170.0130.00414.96
5.5.160.0080.02816.81
5.5.150.0080.01716.68
5.5.140.0110.02316.70
5.5.130.0080.03316.60
5.5.120.0100.02916.73
5.5.110.0100.02416.81
5.5.100.0110.03016.79
5.5.90.0110.02016.59
5.5.80.0120.02816.67
5.5.70.0040.03016.58
5.5.60.0090.02816.72
5.5.50.0090.03016.56
5.5.40.0080.02216.71
5.5.30.0100.02516.75
5.5.20.0130.02916.63
5.5.10.0120.02316.63
5.5.00.0090.03116.67
5.4.450.0050.01915.95
5.4.440.0060.03215.90
5.4.430.0120.01615.99
5.4.420.0080.03015.89
5.4.410.0040.03315.80
5.4.400.0090.02915.79
5.4.390.0060.03015.86
5.4.380.0090.02815.82
5.4.370.0090.02715.85
5.4.360.0090.03115.82
5.4.350.0090.01515.83
5.4.340.0120.02715.80
5.4.330.0110.00214.21
5.4.320.0080.02915.82
5.4.310.0090.01415.75
5.4.300.0070.02915.79
5.4.290.0060.03015.81
5.4.280.0080.03015.80
5.4.270.0050.02415.73
5.4.260.0120.01415.77
5.4.250.0100.01915.78
5.4.240.0080.02915.83
5.4.230.0070.02915.73
5.4.220.0070.02615.74
5.4.210.0110.02415.79
5.4.200.0070.02915.88
5.4.190.0100.02515.79
5.4.180.0110.02915.84
5.4.170.0050.03015.79
5.4.160.0080.02215.82
5.4.150.0020.03515.73
5.4.140.0130.02014.92
5.4.130.0100.02614.90
5.4.120.0080.02714.90
5.4.110.0040.03214.88
5.4.100.0070.02614.94
5.4.90.0080.03014.94
5.4.80.0080.02214.90
5.4.70.0120.02414.89
5.4.60.0080.02814.92
5.4.50.0060.02214.91
5.4.40.0120.01514.96
5.4.30.0060.02914.93
5.4.20.0060.02114.87
5.4.10.0070.02914.87
5.4.00.0080.02814.72
5.3.290.0050.03314.34
5.3.280.0110.02714.33
5.3.270.0090.02514.32
5.3.260.0100.02814.34
5.3.250.0060.02514.34
5.3.240.0070.02214.34
5.3.230.0100.02414.34
5.3.220.0090.03014.28
5.3.210.0110.02614.33
5.3.200.0110.02214.30
5.3.190.0090.01914.31
5.3.180.0080.02214.33
5.3.170.0070.02814.31
5.3.160.0130.02314.28
5.3.150.0090.02814.28
5.3.140.0070.02114.27
5.3.130.0090.02814.30
5.3.120.0090.02814.30
5.3.110.0100.02614.31
5.3.100.0080.02714.15
5.3.90.0070.02414.14
5.3.80.0070.01814.11
5.3.70.0070.02914.14
5.3.60.0090.02714.13
5.3.50.0030.02414.11
5.3.40.0110.02614.12
5.3.30.0060.02414.11
5.3.20.0090.02613.99
5.3.10.0080.02813.94
5.3.00.0060.02814.01

preferences:
46.61 ms | 400 KiB | 5 Q