3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (int) empty(0) . "\n"; echo (int) empty(1) . "\n"; echo (int) empty("") . "\n"; echo (int) empty("hello") . "\n"; echo (int) empty(empty(empty(0))); echo 3;

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)
8.3.60.0100.01018.56
8.3.50.0090.00722.05
8.3.40.0070.01518.81
8.3.30.0040.01118.75
8.3.20.0030.00518.86
8.3.10.0080.00020.52
8.3.00.0040.00421.81
8.2.180.0070.00716.75
8.2.170.0140.00722.96
8.2.160.0070.01020.35
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.36
8.2.110.0070.00320.30
8.2.100.0080.00317.91
8.2.90.0000.00719.09
8.2.80.0000.00817.97
8.2.70.0000.00917.38
8.2.60.0050.00517.91
8.2.50.0040.00418.07
8.2.40.0080.00018.22
8.2.30.0050.00319.66
8.2.20.0040.00417.52
8.2.10.0030.00517.60
8.2.00.0030.00517.61
8.1.280.0090.00625.92
8.1.270.0000.00723.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.48
8.1.230.0040.00820.80
8.1.220.0000.00818.77
8.1.210.0040.00418.97
8.1.200.0030.00617.23
8.1.190.0000.00817.41
8.1.180.0030.00618.10
8.1.170.0050.00318.46
8.1.160.0000.00818.73
8.1.150.0050.00218.57
8.1.140.0000.00817.35
8.1.130.0000.00717.82
8.1.120.0030.00717.41
8.1.110.0040.00417.27
8.1.100.0030.00517.43
8.1.90.0070.00017.30
8.1.80.0030.00517.37
8.1.70.0000.00717.36
8.1.60.0040.00417.40
8.1.50.0000.00717.41
8.1.40.0040.00417.47
8.1.30.0070.00017.63
8.1.20.0050.00317.59
8.1.10.0000.00817.44
8.1.00.0040.00417.39
8.0.300.0030.00619.90
8.0.290.0000.00717.05
8.0.280.0000.00818.29
8.0.270.0000.00717.22
8.0.260.0060.00016.77
8.0.250.0000.00816.84
8.0.240.0070.00416.88
8.0.230.0030.00316.94
8.0.220.0030.00316.90
8.0.210.0070.00016.85
8.0.200.0030.00316.96
8.0.190.0000.00716.85
8.0.180.0000.00816.79
8.0.170.0060.00316.89
8.0.160.0000.00916.78
8.0.150.0030.00516.86
8.0.140.0050.00316.82
8.0.130.0000.00613.30
8.0.120.0040.00416.85
8.0.110.0080.00016.75
8.0.100.0020.00516.83
8.0.90.0080.00016.78
8.0.80.0080.00816.80
8.0.70.0040.00416.76
8.0.60.0050.00516.75
8.0.50.0000.00716.80
8.0.30.0120.00916.93
8.0.20.0150.00517.40
8.0.10.0000.00716.80
8.0.00.0080.01016.68
7.4.330.0000.00713.43
7.4.320.0000.00716.46
7.4.300.0000.00616.48
7.4.290.0000.00716.45
7.4.280.0000.00716.45
7.4.270.0000.00616.38
7.4.260.0030.00313.14
7.4.250.0040.00416.34
7.4.240.0040.00416.38
7.4.230.0030.00316.42
7.4.220.0110.01116.45
7.4.210.0050.00916.51
7.4.200.0040.00416.21
7.4.190.0030.00316.33
7.4.160.0070.01016.38
7.4.150.0090.01217.40
7.4.140.0100.00717.86
7.4.130.0070.01016.39
7.4.120.0050.01516.46
7.4.110.0100.01316.50
7.4.100.0080.00816.55
7.4.90.0150.00316.30
7.4.80.0030.01519.04
7.4.70.0110.00716.61
7.4.60.0090.00616.39
7.4.50.0060.00316.48
7.4.40.0100.00022.27
7.4.30.0040.01316.19
7.4.00.0020.01614.86
7.3.330.0000.00513.09
7.3.320.0000.00712.98
7.3.310.0000.00716.20
7.3.300.0030.00316.30
7.3.290.0070.00716.21
7.3.280.0050.01116.32
7.3.270.0090.01317.40
7.3.260.0080.01118.24
7.3.250.0100.00816.30
7.3.240.0080.00816.33
7.3.230.0130.00916.39
7.3.210.0100.00616.16
7.3.200.0070.01019.39
7.3.190.0070.01016.54
7.3.180.0060.00916.22
7.3.170.0120.00316.37
7.3.160.0040.01116.39
7.3.120.0070.00714.82
7.3.110.0040.01414.72
7.3.100.0070.01114.91
7.3.90.0070.01014.50
7.3.80.0030.00914.69
7.3.70.0070.00614.82
7.3.60.0030.00714.56
7.3.50.0080.00414.82
7.3.40.0030.00614.58
7.3.30.0110.00314.77
7.3.20.0100.00716.60
7.3.10.0080.00516.55
7.3.00.0070.00716.56
7.2.330.0030.01516.38
7.2.320.0060.01116.25
7.2.310.0110.00716.36
7.2.300.0150.00616.38
7.2.290.0070.01416.52
7.2.250.0060.00315.13
7.2.240.0030.01615.14
7.2.230.0130.00315.11
7.2.220.0030.01314.60
7.2.210.0080.00815.08
7.2.200.0080.00515.00
7.2.190.0000.01614.64
7.2.180.0060.00314.68
7.2.170.0070.00314.82
7.2.130.0110.00716.53
7.2.120.0090.00616.97
7.2.110.0000.01516.33
7.2.100.0000.01416.43
7.2.90.0090.00916.95
7.2.80.0100.00316.68
7.2.70.0090.00616.91
7.2.60.0090.00616.93
7.2.50.0120.00316.76
7.2.40.0030.00916.90
7.2.30.0140.00016.96
7.2.20.0080.00516.83
7.2.10.0030.00916.46
7.2.00.0080.00717.96
7.1.330.0070.00715.78
7.1.320.0090.00315.91
7.1.310.0060.00615.82
7.1.300.0040.01115.70
7.1.290.0000.01015.55
7.1.280.0040.01215.50
7.1.270.0060.00815.43
7.1.260.0090.00015.87
7.1.250.0000.00915.63
7.1.200.0030.00915.50
7.1.100.0100.00718.09
7.1.70.0030.00517.11
7.1.60.0060.01919.40
7.1.50.0030.01016.65
7.1.00.0000.07022.33
7.0.200.0040.00416.65
7.0.140.0000.07722.12
7.0.60.0100.07719.81
7.0.50.0030.04717.88
7.0.40.0070.05317.80
7.0.30.0100.05017.76
7.0.20.0070.08017.74
7.0.10.0030.08317.72
7.0.00.0170.07017.78
5.6.280.0030.07321.09
5.6.210.0030.04020.46
5.6.200.0070.04318.16
5.6.190.0030.05318.18
5.6.180.0100.06018.22
5.6.170.0070.06318.16
5.6.160.0130.07718.13
5.6.150.0070.04018.09
5.6.140.0070.05018.12
5.6.130.0030.06018.18
5.6.120.0070.05718.07
5.6.110.0130.07318.14
5.6.100.0270.03718.17
5.6.90.0000.07318.20
5.6.80.0030.08317.46
5.6.70.0070.07717.50
5.6.60.0030.06017.56
5.6.50.0100.07317.56
5.6.40.0000.05017.57
5.6.30.0070.07317.47
5.6.20.0100.07317.55
5.6.10.0070.07717.57
5.6.00.0070.05017.52
5.5.350.3800.04020.40
5.5.340.0100.06317.92
5.5.330.0130.07717.89
5.5.320.0170.07317.88
5.5.310.0170.07017.98
5.5.300.0030.04718.02
5.5.290.0070.08717.90
5.5.280.0100.04317.91
5.5.270.0070.04017.96
5.5.260.0130.07317.90
5.5.250.0070.04317.79
5.5.240.0070.07717.34
5.5.230.0130.07017.25
5.5.220.0100.05317.39
5.5.210.0130.03717.33
5.5.200.0100.07317.27
5.5.190.0100.04017.26
5.5.180.0100.06017.27
5.5.160.0070.03717.36
5.5.150.0100.05317.33
5.5.140.0030.08017.30
5.5.130.0030.06317.33
5.5.120.0070.04017.21
5.5.110.0130.07017.36
5.5.100.0030.04017.17
5.5.90.0130.07017.16
5.5.80.0130.05717.27
5.5.70.0100.03317.25
5.5.60.0030.07317.18
5.5.50.0100.03317.23
5.5.40.0070.05017.24
5.5.30.0100.04317.23
5.5.20.0070.07717.25
5.5.10.0100.04717.15
5.5.00.0100.07017.15
5.4.450.0100.07319.38
5.4.440.0130.07319.47
5.4.430.0100.04319.37
5.4.420.0070.07319.46
5.4.410.0000.06019.30
5.4.400.0030.08019.13
5.4.390.0130.05718.89
5.4.380.0070.07019.04
5.4.370.0100.06018.97
5.4.360.0030.08319.13
5.4.350.0100.04319.07
5.4.340.0100.03719.05
5.4.320.0100.06719.03
5.4.310.0170.05719.10
5.4.300.0100.04018.88
5.4.290.0030.05719.01
5.4.280.0030.05019.01
5.4.270.0100.03718.98
5.4.260.0070.03719.04
5.4.250.0030.08018.94
5.4.240.0130.07019.04
5.4.230.0030.06719.03
5.4.220.0070.03719.03
5.4.210.0070.03719.01
5.4.200.0030.04019.12
5.4.190.0000.05018.88
5.4.180.0030.06719.02
5.4.170.0030.05019.11
5.4.160.0070.08019.25
5.4.150.0170.06718.99
5.4.140.0030.06716.40
5.4.130.0000.04316.42
5.4.120.0030.07716.30
5.4.110.0070.07316.59
5.4.100.0100.07016.49
5.4.90.0000.05316.41
5.4.80.0030.07716.39
5.4.70.0070.04016.22
5.4.60.0030.04316.39
5.4.50.0000.04316.35
5.4.40.0030.04316.43
5.4.30.0130.06016.35
5.4.20.0000.04016.56
5.4.10.0130.06716.39
5.4.00.0130.05015.73
5.3.290.0070.04314.45
5.3.280.0070.04014.43
5.3.270.0170.06714.59
5.3.260.0100.07714.38
5.3.250.0030.08014.55
5.3.240.0000.04714.43
5.3.230.0070.06714.57
5.3.220.0000.08014.42
5.3.210.0100.07714.54
5.3.200.0100.07314.43
5.3.190.0100.07314.55
5.3.180.0100.07014.52
5.3.170.0100.07014.51
5.3.160.0100.05314.39
5.3.150.0030.06314.51
5.3.140.0100.07014.49
5.3.130.0230.03714.63
5.3.120.0070.07714.46
5.3.110.0130.05714.50
5.3.100.0070.07313.96
5.3.90.0030.05014.01
5.3.80.0100.06713.95
5.3.70.0000.05013.87
5.3.60.0030.04313.85
5.3.50.0030.08013.91
5.3.40.0130.03313.88
5.3.30.0030.06713.67
5.3.20.0070.07313.46
5.3.10.0100.06313.57
5.3.00.0000.05013.63
5.2.170.0100.04711.13
5.2.160.0100.05011.15
5.2.150.0070.04311.15
5.2.140.0030.06311.14
5.2.130.0030.06711.08
5.2.120.0030.05311.10
5.2.110.0130.05310.92
5.2.100.0000.05710.99
5.2.90.0070.02311.08
5.2.80.0130.04711.01
5.2.70.0030.03311.04
5.2.60.0070.03010.96
5.2.50.0000.03710.84
5.2.40.0070.03710.95
5.2.30.0070.06310.95
5.2.20.0000.06310.96
5.2.10.0030.06010.83
5.2.00.0100.05710.73
5.1.60.0070.05010.07
5.1.50.0070.0539.98
5.1.40.0000.0339.94
5.1.30.0070.05710.36
5.1.20.0070.05310.30
5.1.10.0030.05710.07
5.1.00.0030.0579.98
5.0.50.0000.0478.60
5.0.40.0030.0238.46
5.0.30.0000.0638.27
5.0.20.0000.0278.23
5.0.10.0030.0208.26
5.0.00.0000.0338.11
4.4.90.0000.0307.82
4.4.80.0070.0337.82
4.4.70.0000.0177.82
4.4.60.0030.0177.82
4.4.50.0000.0177.82
4.4.40.0070.0507.82
4.4.30.0030.0337.82
4.4.20.0000.0237.82
4.4.10.0030.0337.82
4.4.00.0000.0437.82
4.3.110.0000.0377.82
4.3.100.0030.0177.82
4.3.90.0030.0237.82
4.3.80.0000.0237.82
4.3.70.0070.0307.82
4.3.60.0070.0307.82
4.3.50.0030.0337.82
4.3.40.0030.0407.82
4.3.30.0000.0377.82
4.3.20.0000.0307.82
4.3.10.0000.0237.82
4.3.00.0000.0277.82

preferences:
40.29 ms | 401 KiB | 5 Q