3v4l.org

run code in 300+ PHP versions simultaneously
<?php $l = null; if (null === $l2 = $l) { echo "l1"; } else { echo "l2"; }

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)
8.3.70.0070.01016.38
8.3.60.0090.00618.43
8.3.50.0140.00016.50
8.3.40.0070.00718.53
8.3.30.0150.00018.63
8.3.20.0090.00020.18
8.3.10.0000.00723.52
8.3.00.0050.00319.80
8.2.180.0100.00716.50
8.2.170.0110.00722.96
8.2.160.0110.00719.01
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00319.27
8.2.120.0000.00726.35
8.2.110.0030.00619.36
8.2.100.0070.00418.03
8.2.90.0040.00418.34
8.2.80.0000.01117.97
8.2.70.0080.00018.04
8.2.60.0000.00818.03
8.2.50.0040.00418.10
8.2.40.0000.00820.55
8.2.30.0080.00019.18
8.2.20.0040.00417.89
8.2.10.0040.00417.93
8.2.00.0040.00418.04
8.1.280.0060.01325.92
8.1.270.0080.00022.07
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00321.95
8.1.230.0120.00620.60
8.1.220.0090.00017.76
8.1.210.0060.00318.77
8.1.200.0090.00317.23
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0050.00318.50
8.1.160.0000.00719.00
8.1.150.0000.00820.52
8.1.140.0040.00419.56
8.1.130.0030.00517.29
8.1.120.0040.00317.32
8.1.110.0020.00517.32
8.1.100.0000.00917.37
8.1.90.0030.00517.38
8.1.80.0000.00717.40
8.1.70.0030.00617.35
8.1.60.0040.00417.36
8.1.50.0040.00417.27
8.1.40.0080.00317.47
8.1.30.0040.00417.42
8.1.20.0030.00617.61
8.1.10.0040.00417.44
8.1.00.0000.00817.32
8.0.300.0040.00419.45
8.0.290.0000.00816.63
8.0.280.0000.00818.43
8.0.270.0030.00317.23
8.0.260.0000.00617.24
8.0.250.0030.00316.77
8.0.240.0000.00716.84
8.0.230.0080.00016.75
8.0.220.0070.00016.71
8.0.210.0040.00416.71
8.0.200.0030.00316.80
8.0.190.0030.00616.79
8.0.180.0000.00816.77
8.0.170.0040.00416.90
8.0.160.0000.00716.71
8.0.150.0000.00716.64
8.0.140.0000.00716.73
8.0.130.0000.00613.13
8.0.120.0030.00516.68
8.0.110.0030.00316.88
8.0.100.0040.00416.80
8.0.90.0040.00416.68
8.0.80.0100.00716.75
8.0.70.0040.00416.70
8.0.60.0040.00416.91
8.0.50.0000.00716.88
8.0.30.0100.00716.88
8.0.20.0070.01317.40
8.0.10.0050.00316.89
8.0.00.0090.00916.61
7.4.330.0000.00515.55
7.4.320.0060.00016.45
7.4.300.0030.00316.58
7.4.290.0080.00016.50
7.4.280.0000.00816.50
7.4.270.0030.00316.55
7.4.260.0030.00316.58
7.4.250.0080.00016.49
7.4.240.0030.00516.59
7.4.230.0030.00316.41
7.4.220.0070.01116.63
7.4.210.0060.00816.60
7.4.200.0040.00416.39
7.4.160.0150.00616.52
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0130.01216.64
7.4.120.0100.00816.36
7.4.110.0110.00816.50
7.4.100.0120.00616.47
7.4.90.0160.00416.43
7.4.80.0070.01019.39
7.4.70.0130.00316.43
7.4.60.0030.01716.50
7.4.50.0070.00716.42
7.4.40.0130.00316.56
7.4.30.0040.01216.53
7.4.10.0110.00715.03
7.4.00.0060.00715.03
7.3.330.0020.00213.01
7.3.320.0050.00013.19
7.3.310.0070.00016.15
7.3.300.0070.00016.18
7.3.290.0100.00616.29
7.3.280.0100.00716.23
7.3.270.0110.00717.40
7.3.260.0080.00816.40
7.3.250.0060.01116.29
7.3.240.0070.01316.39
7.3.230.0070.01016.21
7.3.210.0090.00616.37
7.3.200.0120.00916.26
7.3.190.0090.00916.22
7.3.180.0100.00716.32
7.3.170.0130.00316.21
7.3.160.0120.00416.39
7.3.130.0100.00614.85
7.3.120.0100.00714.81
7.3.110.0070.01114.84
7.3.100.0080.00814.94
7.3.90.0100.00314.75
7.3.80.0120.00314.74
7.3.70.0130.00314.89
7.3.60.0000.01314.91
7.3.50.0040.00414.73
7.3.40.0090.00614.82
7.3.30.0030.01514.82
7.3.20.0120.00316.48
7.3.10.0030.01016.35
7.3.00.0060.01316.43
7.2.330.0100.01316.54
7.2.320.0090.00916.57
7.2.310.0090.00616.42
7.2.300.0100.00516.56
7.2.290.0150.00616.67
7.2.260.0090.00614.95
7.2.250.0110.00714.64
7.2.240.0090.00615.13
7.2.230.0060.00915.11
7.2.220.0000.00914.65
7.2.210.0070.01014.96
7.2.200.0000.01615.01
7.2.190.0000.01414.99
7.2.180.0070.00714.66
7.2.170.0090.00615.05
7.2.160.0070.00714.50
7.2.150.0040.00816.56
7.2.140.0070.01016.71
7.2.130.0090.00916.80
7.2.120.0060.00616.97
7.2.110.0030.01016.58
7.2.100.0110.00716.55
7.2.90.0070.00716.68
7.2.80.0070.00716.68
7.2.70.0060.00917.05
7.2.60.0050.00816.76
7.2.50.0000.01316.80
7.2.40.0030.01016.95
7.2.30.0070.01116.92
7.2.20.0120.00017.00
7.2.10.0130.00016.82
7.2.00.0090.00617.03
7.1.330.0090.00415.39
7.1.320.0000.01115.80
7.1.310.0070.00715.65
7.1.300.0030.00915.45
7.1.290.0000.01715.70
7.1.280.0100.00315.68
7.1.270.0030.01315.38
7.1.260.0090.00615.57
7.1.250.0100.00715.70
7.1.240.0050.00515.56
7.1.230.0000.01615.42
7.1.220.0040.01115.61
7.1.210.0070.00715.80
7.1.200.0010.01115.67
7.1.190.0040.01115.60
7.1.180.0060.01215.49
7.1.170.0100.01015.61
7.1.160.0030.00615.72
7.1.150.0040.00715.67
7.1.140.0090.00315.62
7.1.130.0030.01015.58
7.1.120.0060.00315.39
7.1.110.0070.01015.86
7.1.100.0040.00916.92
7.1.90.0060.01215.67
7.1.80.0060.00615.44
7.1.70.0070.01416.44
7.1.60.0220.01224.46
7.1.50.0580.00924.31
7.1.40.0100.02024.99
7.1.30.0520.01224.18
7.1.20.0170.01425.14
7.1.10.0330.00915.03
7.1.00.0320.00916.15
7.0.330.0090.00915.25
7.0.320.0080.00415.32
7.0.310.0040.00815.27
7.0.300.0080.00515.42
7.0.290.0000.01215.28
7.0.280.0100.00315.40
7.0.270.0090.00615.27
7.0.260.0060.00315.40
7.0.250.0000.01415.33
7.0.240.0090.00915.38
7.0.230.0040.00715.28
7.0.220.0070.00715.37
7.0.210.0030.00915.50
7.0.200.0350.01215.94
7.0.190.0050.01215.17
7.0.180.0050.01315.79
7.0.170.0100.00915.68
7.0.160.0110.00515.85
7.0.150.0060.01115.84
7.0.140.0420.01015.74
7.0.130.0060.01015.87
7.0.120.0320.00714.89
7.0.110.0560.00915.81
7.0.100.0490.01115.82
7.0.90.0380.00615.64
7.0.80.0030.01415.75
7.0.70.0400.01015.75
7.0.60.0060.01115.54
7.0.50.0370.01015.00
7.0.40.0300.00714.91
7.0.30.0070.01114.90
7.0.20.0040.01214.68
7.0.10.0360.01013.97
7.0.00.0370.00814.07
5.6.400.0070.01314.58
5.6.390.0100.00814.38
5.6.380.0040.01414.67
5.6.370.0070.01014.45
5.6.360.0030.01414.55
5.6.350.0040.01114.40
5.6.340.0070.00314.44
5.6.330.0070.00714.05
5.6.320.0130.00314.07
5.6.310.0030.01014.51
5.6.300.0060.00614.17
5.6.290.0030.00914.51
5.6.280.0070.00714.04
5.6.270.0100.00314.35
5.6.260.0000.00914.28
5.6.250.0030.00714.23
5.6.240.0000.01014.41
5.6.230.0040.00414.19
5.6.220.0090.00314.26
5.6.210.0040.00714.47
5.6.200.0070.00714.04
5.6.190.0060.00314.50
5.6.180.0040.00414.54
5.6.170.0080.00414.32
5.6.160.0030.01214.33
5.6.150.0110.00414.51
5.6.140.0060.00614.20
5.6.130.0060.00814.35
5.6.120.0120.00314.07
5.6.110.0000.00814.50
5.6.100.0060.00314.10
5.6.90.0100.00314.24
5.6.80.0030.00714.04
5.6.70.0030.00614.11
5.6.60.0060.00613.99
5.6.50.0060.00614.25
5.6.40.0090.00614.21
5.6.30.0080.00014.27
5.6.20.0120.00014.39
5.6.10.0070.00314.20
5.6.00.0140.00014.53

preferences:
97.19 ms | 400 KiB | 5 Q