3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; if ((string)$a == 'UNLOCK') { echo "U\n"; } else { echo "D\n"; }

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)
8.3.40.0040.01118.72
8.3.30.0070.00718.92
8.3.20.0040.00420.34
8.3.10.0040.00423.48
8.3.00.0040.00419.18
8.2.170.0100.00722.96
8.2.160.0090.00620.11
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00820.91
8.2.110.0060.00322.20
8.2.100.0040.00819.30
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0090.00017.25
8.2.60.0090.00017.93
8.2.50.0000.00818.07
8.2.40.0040.00419.23
8.2.30.0000.00718.10
8.2.20.0000.00717.60
8.2.10.0030.00518.04
8.2.00.0000.00817.54
8.1.270.0040.00423.97
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00423.86
8.1.230.0100.00019.15
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.35
8.1.180.0070.00718.10
8.1.170.0060.00318.41
8.1.160.0040.00421.86
8.1.150.0040.00418.75
8.1.140.0040.00417.49
8.1.130.0000.00717.82
8.1.120.0070.00017.47
8.1.110.0070.00017.46
8.1.100.0000.00717.47
8.1.90.0030.00517.46
8.1.80.0030.00317.41
8.1.70.0070.00017.38
8.1.60.0090.00017.55
8.1.50.0030.00517.41
8.1.40.0070.00017.52
8.1.30.0040.00417.55
8.1.20.0050.00317.54
8.1.10.0000.00817.50
8.1.00.0060.00317.34
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0030.00318.35
8.0.270.0050.00317.30
8.0.260.0030.00317.18
8.0.250.0030.00316.95
8.0.240.0030.00316.82
8.0.230.0000.00816.75
8.0.220.0000.00716.87
8.0.210.0040.00416.81
8.0.200.0000.00716.72
8.0.190.0030.00316.90
8.0.180.0060.00616.86
8.0.170.0040.00416.91
8.0.160.0000.00716.83
8.0.150.0030.00316.84
8.0.140.0000.00716.78
8.0.130.0050.00013.23
8.0.120.0000.00816.79
8.0.110.0050.00316.90
8.0.100.0050.00216.87
8.0.90.0000.00716.84
8.0.80.0130.00916.92
8.0.70.0000.00716.84
8.0.60.0040.00416.84
8.0.50.0040.00416.91
8.0.30.0130.00517.20
8.0.20.0090.00917.40
8.0.10.0040.00416.85
8.0.00.0060.01116.64
7.4.330.0050.00015.00
7.4.320.0030.00316.52
7.4.300.0000.00616.49
7.4.290.0080.00016.44
7.4.280.0000.00716.60
7.4.270.0000.00716.45
7.4.260.0060.00316.42
7.4.250.0040.00416.45
7.4.240.0020.00516.55
7.4.230.0000.00716.61
7.4.220.0030.01416.62
7.4.210.0030.01016.65
7.4.200.0030.00316.54
7.4.190.0000.00716.66
7.4.160.0060.01616.43
7.4.150.0110.00917.40
7.4.140.0070.01017.86
7.4.130.0120.00416.54
7.4.120.0140.00316.52
7.4.110.0070.01116.57
7.4.100.0100.00716.63
7.4.90.0120.00616.58
7.4.80.0120.00619.39
7.4.70.0030.01316.63
7.4.60.0030.01516.50
7.4.50.0040.00416.43
7.4.40.0070.01016.30
7.4.30.0030.01316.64
7.4.10.0070.01015.14
7.4.00.0070.00914.92
7.3.330.0030.00313.01
7.3.320.0050.00012.98
7.3.310.0000.00716.34
7.3.300.0000.00616.26
7.3.290.0040.01116.25
7.3.280.0070.00816.23
7.3.270.0040.01317.40
7.3.260.0080.00816.31
7.3.250.0090.00916.38
7.3.240.0120.01216.42
7.3.230.0030.01316.39
7.3.210.0080.01116.34
7.3.200.0070.01319.39
7.3.190.0150.00616.34
7.3.180.0060.00916.54
7.3.170.0090.01216.27
7.3.160.0140.00716.23
7.3.130.0060.01314.73
7.3.120.0030.01516.01
7.3.110.0050.01115.89
7.3.100.0060.00815.94
7.3.90.0030.00916.00
7.3.80.0030.01116.01
7.3.70.0060.00715.97
7.3.60.0110.00516.02
7.3.50.0090.00715.97
7.3.40.0030.01015.96
7.3.30.0050.01015.97
7.3.20.0030.00916.89
7.3.10.0060.00616.89
7.3.00.0020.01216.78
7.2.330.0090.00916.35
7.2.320.0120.00316.52
7.2.310.0090.00916.60
7.2.300.0100.00716.57
7.2.290.0090.01216.54
7.2.260.0080.00815.07
7.2.250.0100.01015.14
7.2.240.0050.00916.20
7.2.230.0050.01016.07
7.2.220.0050.01315.98
7.2.210.0060.00816.03
7.2.200.0110.00516.03
7.2.190.0070.00916.00
7.2.180.0030.01016.04
7.2.170.0070.00716.10
7.2.160.0050.00716.06
7.2.150.0030.00817.06
7.2.140.0060.00716.96
7.2.130.0010.01116.93
7.2.120.0070.00916.92
7.2.110.0100.00416.92
7.2.100.0090.00516.95
7.2.90.0030.01116.84
7.2.80.0050.01016.81
7.2.70.0080.00516.94
7.2.60.0060.00916.90
7.2.50.0060.00616.93
7.2.40.0050.00916.91
7.2.30.0020.00916.96
7.2.20.0050.00816.93
7.2.10.0070.00817.03
7.2.00.0080.00717.52
7.1.330.0040.01216.51
7.1.320.0060.00916.42
7.1.310.0060.00416.54
7.1.300.0070.00916.44
7.1.290.0030.00916.28
7.1.280.0020.01016.43
7.1.270.0050.01016.52
7.1.260.0020.01316.43
7.1.250.0040.00816.24
7.1.240.0060.00315.59
7.1.230.0070.00715.83
7.1.220.0070.00715.34
7.1.210.0080.00315.51
7.1.200.0000.00915.69
7.1.190.0050.00515.75
7.1.180.0000.01715.71
7.1.170.0060.00615.34
7.1.160.0070.00715.64
7.1.150.0080.00415.73
7.1.140.0000.00815.48
7.1.130.0040.01115.81
7.1.120.0060.00615.77
7.1.110.0070.00315.73
7.1.100.0060.00616.87
7.1.90.0100.00315.49
7.1.80.0080.00815.54
7.1.70.0030.00716.37
7.1.60.0070.01117.77
7.1.50.0070.00916.34
7.1.40.0030.01015.34
7.1.30.0070.00715.69
7.1.20.0070.01015.73
7.1.10.0060.00315.71
7.1.00.0040.04419.15
7.0.330.0080.00515.38
7.0.320.0030.01015.48
7.0.310.0070.00715.49
7.0.300.0050.00515.19
7.0.290.0090.00615.38
7.0.280.0130.00015.37
7.0.270.0040.01115.27
7.0.260.0060.00615.37
7.0.250.0040.00815.44
7.0.240.0090.00615.32
7.0.230.0040.01115.47
7.0.220.0030.01015.22
7.0.210.0000.01215.23
7.0.200.0020.01016.22
7.0.190.0000.00915.48
7.0.180.0070.00715.46
7.0.170.0100.00315.38
7.0.160.0070.00715.44
7.0.150.0130.00015.42
7.0.140.0100.03718.68
7.0.130.0080.00015.48
7.0.120.0100.00315.26
7.0.110.0070.00315.27
7.0.100.0030.02817.59
7.0.90.0290.03217.85
7.0.80.0250.02317.67
7.0.70.0250.03217.56
7.0.60.0270.03517.69
7.0.50.0350.03917.89
7.0.40.0020.04016.85
7.0.30.0050.04516.82
7.0.20.0100.04216.66
7.0.10.0080.04316.71
7.0.00.0030.04816.81
5.6.400.0060.00714.55
5.6.390.0060.00614.30
5.6.380.0000.01314.53
5.6.370.0050.00314.20
5.6.360.0030.00614.44
5.6.350.0100.00314.49
5.6.340.0030.01214.32
5.6.330.0040.00814.39
5.6.320.0070.00714.54
5.6.310.0100.00314.72
5.6.300.0070.00714.67
5.6.290.0080.00814.54
5.6.280.0060.03817.70
5.6.270.0030.01014.29
5.6.260.0000.01114.37
5.6.250.0070.04117.45
5.6.240.0100.04017.49
5.6.230.0010.03217.38
5.6.220.0000.05217.43
5.6.210.0070.02917.49
5.6.200.0100.03517.71
5.6.190.0100.04017.66
5.6.180.0050.04017.62
5.6.170.0080.02917.62
5.6.160.0130.03517.76
5.6.150.0100.04317.71
5.6.140.0020.04617.82
5.6.130.0020.04817.75
5.6.120.0050.04717.75
5.6.110.0080.04517.65
5.6.100.0100.03317.72
5.6.90.0010.04917.58
5.6.80.0030.02717.46
5.6.70.0040.04417.38
5.6.60.0070.03817.40
5.6.50.0000.04517.29
5.6.40.0070.02217.30
5.6.30.0080.02117.19
5.6.20.0030.02517.24
5.6.10.0050.02417.32
5.6.00.0050.02317.31
5.5.380.0050.04617.31
5.5.370.0050.04317.23
5.5.360.0060.04517.27
5.5.350.0080.03617.38
5.5.340.0050.04217.62
5.5.330.0080.03917.70
5.5.320.0070.02717.51
5.5.310.0090.04617.56
5.5.300.0070.04017.55
5.5.290.0060.04317.51
5.5.280.0060.04517.49
5.5.270.0070.04717.53
5.5.260.0050.04717.55
5.5.250.0060.04417.54
5.5.240.0050.04017.19
5.5.230.0130.03717.22
5.5.220.0080.04217.18
5.5.210.0030.03717.09
5.5.200.0050.02617.09
5.5.190.0050.02517.18
5.5.180.0080.02817.11
5.5.170.0110.00414.25
5.5.160.0100.03217.26
5.5.150.0070.02017.15
5.5.140.0080.01817.14
5.5.130.0030.04017.11
5.5.120.0070.02917.23
5.5.110.0030.04417.05
5.5.100.0060.02517.28
5.5.90.0020.02517.22
5.5.80.0050.03616.98
5.5.70.0050.02217.18
5.5.60.0060.02317.23
5.5.50.0020.02916.98
5.5.40.0050.02616.99
5.5.30.0040.02517.11
5.5.20.0050.02217.05
5.5.10.0030.02517.08
5.5.00.0000.03017.19
5.4.450.0030.04615.17
5.4.440.0030.04015.01
5.4.430.0030.04215.25
5.4.420.0070.03915.32
5.4.410.0100.03715.20
5.4.400.0050.04214.95
5.4.390.0030.04314.98
5.4.380.0100.03615.01
5.4.370.0110.03914.92
5.4.360.0100.03515.07
5.4.350.0060.02314.82
5.4.340.0050.02215.08
5.4.330.0070.00710.81
5.4.320.0030.02214.97
5.4.310.0050.02014.98
5.4.300.0030.02314.89
5.4.290.0050.02114.77
5.4.280.0050.03914.86
5.4.270.0100.03314.92
5.4.260.0020.02314.86
5.4.250.0050.02114.96
5.4.240.0030.02315.08
5.4.230.0030.02315.11
5.4.220.0050.02814.92
5.4.210.0000.02614.93
5.4.200.0020.02415.03
5.4.190.0020.02214.82
5.4.180.0130.01014.85
5.4.170.0050.02014.99
5.4.160.0020.02315.00
5.4.150.0050.03014.86
5.4.140.0100.01513.55
5.4.130.0020.02213.58
5.4.120.0030.02313.65
5.4.110.0000.02113.60
5.4.100.0050.01813.56
5.4.90.0060.01813.48
5.4.80.0050.02213.53
5.4.70.0050.02013.53
5.4.60.0020.02113.64
5.4.50.0030.02013.63
5.4.40.0040.03413.68
5.4.30.0050.01813.53
5.4.20.0050.02213.67
5.4.10.0100.04213.52
5.4.00.0040.02913.29
5.3.290.0030.02212.56
5.3.280.0000.02212.39
5.3.270.0030.02512.46
5.3.260.0030.02112.48
5.3.250.0080.01712.47
5.3.240.0050.02312.47
5.3.230.0030.02512.45
5.3.220.0020.02412.43
5.3.210.0000.02712.37
5.3.200.0030.02112.45
5.3.190.0020.02412.37
5.3.180.0030.02012.43
5.3.170.0020.02212.51
5.3.160.0030.02012.48
5.3.150.0070.01812.37
5.3.140.0030.02312.38
5.3.130.0000.02712.44
5.3.120.0000.02312.37
5.3.110.0040.02112.44
5.3.100.0080.03812.10
5.3.90.0070.03812.27
5.3.80.0020.03712.15
5.3.70.0040.04012.15
5.3.60.0080.03612.18
5.3.50.0050.04212.11
5.3.40.0020.02512.12
5.3.30.0020.03012.12
5.3.20.0050.04212.00
5.3.10.0070.02611.95
5.3.00.0050.03911.96
5.2.170.0070.04011.14
5.2.160.0030.06011.16
5.2.150.0070.06011.00
5.2.140.0030.06310.95
5.2.130.0170.05010.96
5.2.120.0100.05710.93
5.2.110.0070.06011.09
5.2.100.0070.05311.09
5.2.90.0070.06011.02
5.2.80.0070.06311.14
5.2.70.0030.06310.93
5.2.60.0030.06710.92
5.2.50.0130.03011.04
5.2.40.0070.06011.05
5.2.30.0030.06010.96
5.2.20.0000.03710.75
5.2.10.0100.05310.89
5.2.00.0070.05710.66
5.1.60.0070.03010.41
5.1.50.0130.05010.41
5.1.40.0000.05310.41
5.1.30.0100.05010.41
5.1.20.0100.04310.41
5.1.10.0070.05310.41
5.1.00.0070.05710.41
5.0.50.0030.04010.41
5.0.40.0030.02710.41
5.0.30.0070.06310.41
5.0.20.0070.04010.41
5.0.10.0170.02010.41
5.0.00.0030.05710.41
4.4.90.0070.03010.41
4.4.80.0070.03010.41
4.4.70.0000.03710.41
4.4.60.0000.03710.41
4.4.50.0000.02310.41
4.4.40.0130.04010.41
4.4.30.0000.03710.41
4.4.20.0070.03310.41
4.4.10.0070.03310.41
4.4.00.0030.05310.41
4.3.110.0030.03710.41
4.3.100.0030.03310.41
4.3.90.0000.03310.41
4.3.80.0000.05310.41
4.3.70.0000.03310.41
4.3.60.0030.03310.41
4.3.50.0030.02710.41
4.3.40.0030.05310.41
4.3.30.0000.03710.41
4.3.20.0030.03310.41
4.3.10.0000.03710.41
4.3.00.0030.03310.41

preferences:
50.03 ms | 400 KiB | 5 Q