3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'test = null'; if(preg_match($var,'/\s{0,2}=\s{0,2}null/gi')) echo "MATCH";

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)
8.3.60.0110.00716.36
8.3.50.0100.00621.99
8.3.40.0120.00318.70
8.3.30.0110.00318.59
8.3.20.0000.00720.16
8.3.10.0070.00021.82
8.3.00.0050.00321.02
8.2.180.0070.01118.66
8.2.170.0110.00422.96
8.2.160.0070.01019.12
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00019.36
8.2.120.0030.00526.35
8.2.110.0030.00620.52
8.2.100.0040.00817.84
8.2.90.0060.00319.07
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00417.87
8.2.50.0000.00818.10
8.2.40.0030.00620.60
8.2.30.0000.00820.52
8.2.20.0000.00817.69
8.2.10.0000.00817.95
8.2.00.0050.00318.03
8.1.280.0100.00325.92
8.1.270.0080.00023.79
8.1.260.0080.00028.09
8.1.250.0090.00028.09
8.1.240.0060.00323.71
8.1.230.0040.00724.03
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0040.00417.23
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0000.00820.80
8.1.150.0030.00618.82
8.1.140.0000.00719.55
8.1.130.0030.00317.60
8.1.120.0000.00717.46
8.1.110.0040.00417.38
8.1.100.0030.00317.44
8.1.90.0040.00417.40
8.1.80.0040.00417.40
8.1.70.0000.00717.38
8.1.60.0050.00317.40
8.1.50.0050.00317.44
8.1.40.0080.00017.46
8.1.30.0030.00517.63
8.1.20.0060.00317.57
8.1.10.0030.00517.28
8.1.00.0000.00817.27
8.0.300.0070.00018.77
8.0.290.0090.00016.75
8.0.280.0070.00018.30
8.0.270.0070.00017.18
8.0.260.0040.00417.21
8.0.250.0030.00316.96
8.0.240.0070.00016.90
8.0.230.0050.00216.90
8.0.220.0040.00416.87
8.0.210.0040.00416.87
8.0.200.0000.00816.97
8.0.190.0040.00416.91
8.0.180.0000.00716.80
8.0.170.0020.00516.92
8.0.160.0080.00016.93
8.0.150.0030.00316.79
8.0.140.0030.00316.80
8.0.130.0060.00013.22
8.0.120.0000.00716.88
8.0.110.0030.00516.90
8.0.100.0040.00416.80
8.0.90.0040.00416.83
8.0.80.0070.00716.92
8.0.70.0030.00516.90
8.0.60.0020.00516.69
8.0.50.0040.00416.90
8.0.30.0090.00717.05
8.0.20.0060.01217.40
8.0.10.0070.00017.07
8.0.00.0080.01316.73
7.4.330.0050.00015.08
7.4.320.0000.00616.30
7.4.300.0030.00316.43
7.4.290.0030.00316.54
7.4.280.0040.00416.53
7.4.270.0000.00716.56
7.4.260.0000.00616.43
7.4.250.0070.00016.52
7.4.240.0000.00716.42
7.4.230.0000.00716.51
7.4.220.0060.01216.48
7.4.210.0000.01316.51
7.4.200.0030.00316.43
7.4.160.0150.00316.46
7.4.150.0090.00917.40
7.4.140.0090.01117.86
7.4.130.0080.00916.41
7.4.120.0130.00616.47
7.4.110.0030.01316.44
7.4.100.0040.01616.46
7.4.90.0130.00316.48
7.4.80.0090.01519.39
7.4.70.0110.00516.44
7.4.60.0060.01016.37
7.4.50.0080.00616.25
7.4.40.0100.00616.28
7.4.30.0040.01216.36
7.4.00.0040.01314.84
7.3.330.0000.00513.05
7.3.320.0060.00013.14
7.3.310.0060.00016.33
7.3.300.0030.00316.25
7.3.290.0070.00916.22
7.3.280.0070.00916.18
7.3.270.0120.00617.40
7.3.260.0100.00716.39
7.3.250.0110.00616.28
7.3.240.0070.00916.19
7.3.230.0120.00616.39
7.3.210.0040.01216.22
7.3.200.0030.01316.33
7.3.190.0070.01016.34
7.3.180.0090.00616.27
7.3.170.0030.01416.21
7.3.160.0030.01216.28
7.3.120.0130.00314.62
7.3.110.0080.01014.58
7.3.100.0050.00714.63
7.3.90.0080.00614.77
7.3.80.0070.00714.71
7.3.70.0030.01214.77
7.3.60.0050.00714.50
7.3.50.0090.00514.69
7.3.40.0090.00514.75
7.3.30.0060.00914.63
7.3.20.0050.00816.61
7.3.10.0040.00916.56
7.3.00.0050.00816.60
7.2.330.0120.00616.45
7.2.320.0090.00916.56
7.2.310.0090.00916.48
7.2.300.0030.01416.53
7.2.290.0120.00616.61
7.2.250.0030.01414.71
7.2.240.0100.00914.61
7.2.230.0040.01314.93
7.2.220.0090.00714.83
7.2.210.0050.01014.79
7.2.200.0080.00614.69
7.2.190.0080.00214.76
7.2.180.0050.00814.86
7.2.170.0080.00714.74
7.2.130.0040.00816.45
7.2.120.0040.00716.78
7.2.110.0070.00716.66
7.2.100.0000.01216.61
7.2.90.0040.00816.58
7.2.80.0110.00016.62
7.2.70.0030.01016.91
7.2.60.0100.00316.49
7.2.50.0090.00616.61
7.2.40.0070.00716.78
7.2.30.0000.00916.74
7.2.20.0070.00416.67
7.2.10.0120.00016.89
7.2.00.0080.00317.69
7.1.330.0090.00515.70
7.1.320.0080.00715.63
7.1.310.0020.00815.64
7.1.300.0040.00515.76
7.1.290.0050.01115.72
7.1.280.0030.01015.63
7.1.270.0060.00715.61
7.1.260.0030.01115.58
7.1.250.0090.00015.58
7.1.200.0060.00915.73
7.1.100.0060.00617.98
7.1.70.0040.01216.87
7.1.60.0090.01519.48
7.1.00.0070.07322.45
7.0.200.0040.00416.71
7.0.60.0000.03321.84
7.0.50.0130.07017.82
7.0.40.0230.07020.21
7.0.30.0470.06020.09
7.0.20.0700.06320.19
7.0.10.0430.06320.22
7.0.00.0600.06720.01
5.6.280.0100.06721.09
5.6.210.0030.08320.52
5.6.200.0100.06318.11
5.6.190.0370.07720.55
5.6.180.0570.06020.55
5.6.170.0600.05020.46
5.6.160.0500.05320.46
5.6.150.0070.06720.34
5.6.140.0530.06320.43
5.6.130.0570.06020.35
5.6.120.0500.06320.41
5.6.110.0300.05720.20
5.6.100.0500.05020.29
5.6.90.0530.05720.41
5.6.80.0500.05019.71
5.6.70.0130.06019.68
5.6.60.0200.05019.89
5.6.50.0170.05719.69
5.6.40.0170.05719.65
5.6.30.0130.06019.71
5.6.20.0100.06019.68
5.6.10.0170.06019.79
5.6.00.0330.04319.78
5.5.350.0070.04720.48
5.5.340.0100.07718.01
5.5.330.0500.06320.34
5.5.320.0430.06020.20
5.5.310.0500.05320.34
5.5.300.0570.06020.23
5.5.290.0430.06320.12
5.5.280.0530.05720.10
5.5.270.0430.06320.00
5.5.260.0530.05020.24
5.5.250.0500.05019.75
5.5.240.0470.05719.52
5.5.230.0100.06019.61
5.5.220.0200.05719.62
5.5.210.0200.05019.61
5.5.200.0170.05719.45
5.5.190.0230.04719.41
5.5.180.0070.06319.61
5.5.160.0130.05719.67
5.5.150.0230.05019.59
5.5.140.0130.05719.45
5.5.130.0130.06019.47
5.5.120.0130.06019.58
5.5.110.0170.05319.47
5.5.100.0300.04319.38
5.5.90.0100.06019.46
5.5.80.0200.05319.37
5.5.70.0130.06319.49
5.5.60.0130.06019.45
5.5.50.0270.04319.48
5.5.40.0230.04719.29
5.5.30.0170.05319.41
5.5.20.0130.06019.25
5.5.10.0200.05019.29
5.5.00.0230.04719.29

preferences:
52.01 ms | 401 KiB | 5 Q