3v4l.org

run code in 300+ PHP versions simultaneously
<?php $selector = null; $selector = $selector || 'select'; echo $selector;

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)
8.3.40.0110.00418.72
8.3.30.0070.01118.75
8.3.20.0040.00418.64
8.3.10.0040.00420.95
8.3.00.0070.00021.82
8.2.170.0080.00822.96
8.2.160.0100.00320.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00320.89
8.2.110.0040.00420.53
8.2.100.0040.00817.91
8.2.90.0030.00619.23
8.2.80.0000.00818.03
8.2.70.0030.01317.38
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0000.00718.34
8.2.30.0000.00821.20
8.2.20.0050.00217.64
8.2.10.0040.00417.79
8.2.00.0100.00017.90
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00722.54
8.1.230.0100.00020.66
8.1.220.0000.00818.77
8.1.210.0050.00318.95
8.1.200.0070.00417.23
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0050.00218.88
8.1.150.0050.00318.47
8.1.140.0050.00217.44
8.1.130.0070.00017.74
8.1.120.0070.00317.31
8.1.110.0040.00417.48
8.1.100.0000.00717.44
8.1.90.0030.00517.51
8.1.80.0040.00417.40
8.1.70.0060.00317.41
8.1.60.0060.00317.55
8.1.50.0070.00017.38
8.1.40.0000.00717.50
8.1.30.0040.00417.62
8.1.20.0000.00817.61
8.1.10.0040.00417.39
8.1.00.0070.00417.48
8.0.300.0110.00519.66
8.0.290.0040.00417.01
8.0.280.0000.00718.41
8.0.270.0060.00317.23
8.0.260.0070.00316.93
8.0.250.0040.00416.90
8.0.240.0000.00816.93
8.0.230.0050.00316.97
8.0.220.0000.00716.85
8.0.210.0070.00016.84
8.0.200.0000.00716.88
8.0.190.0040.00416.92
8.0.180.0030.00316.92
8.0.170.0080.00017.05
8.0.160.0000.00716.96
8.0.150.0080.00316.84
8.0.140.0040.00416.82
8.0.130.0000.00713.34
8.0.120.0080.00016.89
8.0.110.0040.00416.82
8.0.100.0030.00316.95
8.0.90.0000.00716.94
8.0.80.0120.00616.89
8.0.70.0000.00816.89
8.0.60.0070.00016.82
8.0.50.0040.00416.96
8.0.30.0160.00417.18
8.0.20.0110.00817.41
8.0.10.0000.00717.11
8.0.00.0080.01216.70
7.4.330.0000.00614.66
7.4.320.0030.00316.39
7.4.300.0000.00616.56
7.4.290.0030.00316.54
7.4.280.0000.00716.57
7.4.270.0070.00016.51
7.4.260.0030.00313.24
7.4.250.0080.00016.55
7.4.240.0030.00316.50
7.4.230.0070.00016.65
7.4.220.0030.01316.44
7.4.210.0070.00816.54
7.4.200.0070.00016.64
7.4.190.0040.00416.67
7.4.160.0030.01216.29
7.4.150.0100.01017.40
7.4.140.0050.01217.86
7.4.130.0110.00716.37
7.4.120.0070.01016.43
7.4.110.0150.00316.32
7.4.100.0110.00616.39
7.4.90.0130.01116.39
7.4.80.0090.00919.39
7.4.70.0040.01216.44
7.4.60.0170.00016.28
7.4.50.0050.00016.45
7.4.40.0000.01622.52
7.4.30.0100.00716.63
7.4.00.0080.01014.75
7.3.330.0000.00613.23
7.3.320.0020.00213.24
7.3.310.0000.00816.32
7.3.300.0000.00716.39
7.3.290.0120.00316.43
7.3.280.0080.00816.34
7.3.270.0060.01017.40
7.3.260.0080.01018.24
7.3.250.0140.00816.44
7.3.240.0130.00416.25
7.3.230.0060.01016.47
7.3.210.0140.00416.13
7.3.200.0120.00619.39
7.3.190.0090.00916.28
7.3.180.0090.00716.48
7.3.170.0090.00616.27
7.3.160.0140.00616.41
7.3.120.0090.00714.73
7.3.110.0110.00714.76
7.3.100.0070.00814.81
7.3.90.0080.00614.93
7.3.80.0080.00814.93
7.3.70.0050.00714.84
7.3.60.0080.00514.75
7.3.50.0000.01514.66
7.3.40.0070.00714.50
7.3.30.0040.00914.71
7.3.20.0040.00616.58
7.3.10.0060.00916.48
7.3.00.0080.00716.42
7.2.330.0000.01716.38
7.2.320.0090.00916.28
7.2.310.0130.00416.50
7.2.300.0090.00916.64
7.2.290.0100.00716.55
7.2.250.0060.01115.01
7.2.240.0080.00814.98
7.2.230.0020.01314.93
7.2.220.0070.01014.88
7.2.210.0080.00714.99
7.2.200.0030.01014.63
7.2.190.0090.00514.90
7.2.180.0060.00914.72
7.2.170.0090.00314.92
7.2.60.0000.01316.81
7.2.00.0060.00919.15
7.1.330.0080.00715.80
7.1.320.0030.01115.76
7.1.310.0060.00915.76
7.1.300.0040.00815.71
7.1.290.0030.00815.80
7.1.280.0060.00315.83
7.1.270.0050.00815.52
7.1.260.0060.00715.74
7.1.200.0120.00415.73
7.1.100.0000.00817.85
7.1.70.0030.00516.82
7.1.60.0120.00919.40
7.1.50.0100.01016.91
7.1.00.0100.05322.29
7.0.200.0000.00816.84
7.0.140.0000.07022.05
7.0.70.0030.04021.71
7.0.60.0030.03021.54
7.0.50.0000.03722.10
7.0.40.0000.04720.15
7.0.30.0000.03720.13
7.0.20.0000.03720.13
7.0.10.0070.03020.16
7.0.00.0000.03720.04
5.6.280.0130.06321.09
5.6.220.0070.03720.50
5.6.210.0000.03320.41
5.6.200.0070.03720.93
5.6.190.0000.04021.13
5.6.180.0070.03721.07
5.6.170.0000.03721.04
5.6.160.0030.06020.95
5.6.150.0030.05321.02
5.6.140.0100.07320.94
5.6.130.0000.05021.10
5.6.120.0030.08721.07
5.6.110.0030.08321.07
5.6.100.0030.09020.93
5.6.90.0200.07721.07
5.6.80.0100.07020.44
5.6.70.0070.07720.32
5.6.60.0070.07720.40
5.6.50.0030.06020.42
5.6.40.0070.06020.39
5.6.30.0070.07320.29
5.6.20.0070.08020.46
5.6.10.0070.06720.52
5.6.00.0000.08320.39
5.5.360.0000.04320.28
5.5.350.0070.03720.38
5.5.340.0000.03320.92
5.5.330.0000.03720.80
5.5.320.0070.03020.77
5.5.310.0000.03720.79
5.5.300.0130.06720.72
5.5.290.0030.05720.72
5.5.280.0000.09020.85
5.5.270.0100.07720.82
5.5.260.0100.08720.78
5.5.250.0100.07720.68
5.5.240.0000.08320.30
5.5.230.0070.05720.24
5.5.220.0100.07020.29
5.5.210.0070.07320.16
5.5.200.0030.07320.17
5.5.190.0070.07020.12
5.5.180.0070.06020.07
5.5.160.0070.08320.07
5.5.150.0030.05720.23
5.5.140.0030.08320.10
5.5.130.0030.08720.21
5.5.120.0000.05720.21
5.5.110.0030.07020.07
5.5.100.0100.04720.09
5.5.90.0030.06020.09
5.5.80.0030.07020.00
5.5.70.0030.07720.06
5.5.60.0100.06719.93
5.5.50.0030.06320.05
5.5.40.0130.05019.92
5.5.30.0030.07320.07
5.5.20.0000.08020.06
5.5.10.0030.06320.11
5.5.00.0070.07320.09
5.4.450.0070.05019.45
5.4.440.0000.08319.47
5.4.430.0000.07719.44
5.4.420.0070.07719.36
5.4.410.0070.07319.00
5.4.400.0030.08019.05
5.4.390.0000.07319.07
5.4.380.0030.07719.03
5.4.370.0030.07019.08
5.4.360.0000.08019.05
5.4.350.0000.05719.07
5.4.340.0030.07719.05
5.4.320.0030.06718.90
5.4.310.0070.05719.23
5.4.300.0000.07019.07
5.4.290.0030.06318.90
5.4.280.0070.07318.83
5.4.270.0070.07319.12
5.4.260.0070.07319.05
5.4.250.0170.05718.96
5.4.240.0000.05718.94
5.4.230.0070.07019.11
5.4.220.0070.07319.04
5.4.210.0000.06318.80
5.4.200.0070.06718.96
5.4.190.0070.07318.80
5.4.180.0000.07718.93
5.4.170.0000.06319.05
5.4.160.0030.07318.92
5.4.150.0030.07718.94
5.4.140.0070.06716.24
5.4.130.0000.07316.32
5.4.120.0070.07016.07
5.4.110.0070.07016.21
5.4.100.0000.07716.30
5.4.90.0070.07016.38
5.4.80.0000.06716.32
5.4.70.0030.07016.41
5.4.60.0000.08016.23
5.4.50.0070.06716.24
5.4.40.0000.06316.25
5.4.30.0000.05016.31
5.4.20.0030.07016.23
5.4.10.0000.07316.35
5.4.00.0030.06715.66
5.3.290.0030.06014.52
5.3.280.0030.07714.58
5.3.270.0000.07314.59
5.3.260.0000.08714.59
5.3.250.0070.06714.55
5.3.240.0000.07714.41
5.3.230.0030.07014.46
5.3.220.0000.07714.54
5.3.210.0000.07714.55
5.3.200.0030.06014.52
5.3.190.0100.07014.41
5.3.180.0000.07714.41
5.3.170.0000.05314.41
5.3.160.0000.06014.55
5.3.150.0000.07714.52
5.3.140.0000.07714.41
5.3.130.0000.05314.41
5.3.120.0030.07314.55
5.3.110.0070.07014.48
5.3.100.0030.07714.02
5.3.90.0000.06713.88
5.3.80.0000.07313.97
5.3.70.0030.07014.00
5.3.60.0000.07313.85
5.3.50.0000.05313.79
5.3.40.0030.07713.71
5.3.30.0030.06013.88
5.3.20.0030.05713.67
5.3.10.0070.05013.64
5.3.00.0070.06713.60
5.2.170.0030.03311.14
5.2.160.0070.05711.07
5.2.150.0030.06011.20
5.2.140.0070.06011.15
5.2.130.0030.05711.05
5.2.120.0030.05010.95
5.2.110.0070.05711.09
5.2.100.0000.05710.94
5.2.90.0070.05311.09
5.2.80.0000.04710.93
5.2.70.0030.06310.92
5.2.60.0000.06010.96
5.2.50.0070.05310.80
5.2.40.0030.05710.82
5.2.30.0100.05711.01
5.2.20.0000.05310.80
5.2.10.0000.06010.86
5.2.00.0030.06010.77
5.1.60.0000.0539.83
5.1.50.0000.0379.97
5.1.40.0030.0539.81
5.1.30.0000.04310.39
5.1.20.0000.06010.25
5.1.10.0000.04710.05
5.1.00.0070.05010.11
5.0.50.0030.0479.55
5.0.40.0000.0439.55
5.0.30.0130.0639.55
5.0.20.0000.0309.55
5.0.10.0000.0409.55
5.0.00.0000.0639.55
4.4.90.0000.0379.55
4.4.80.0070.0309.55
4.4.70.0030.0339.55
4.4.60.0030.0339.55
4.4.50.0000.0379.55
4.4.40.0000.0579.55
4.4.30.0100.0279.55
4.4.20.0000.0239.55
4.4.10.0000.0379.55
4.4.00.0000.0579.55
4.3.110.0000.0379.55
4.3.100.0000.0339.55
4.3.90.0000.0279.55
4.3.80.0030.0479.55
4.3.70.0030.0279.55
4.3.60.0000.0339.55
4.3.50.0030.0339.55
4.3.40.0030.0439.55
4.3.30.0000.0309.55
4.3.20.0000.0439.55
4.3.10.0030.0239.55
4.3.00.0000.0309.55

preferences:
38.6 ms | 400 KiB | 5 Q