3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "hello3"; $b = 2; echo $a - $b; echo "\n"; echo $b - $a;

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)
8.3.40.0080.00818.71
8.3.30.0100.01019.10
8.3.20.0070.00020.21
8.3.10.0000.00823.48
8.3.00.0060.00317.38
8.2.170.0070.01122.96
8.2.160.0140.00020.45
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00717.48
8.2.110.0060.00319.29
8.2.100.0080.00317.72
8.2.90.0030.00719.25
8.2.80.0040.00417.97
8.2.70.0000.00817.48
8.2.60.0040.00417.90
8.2.50.0060.00318.07
8.2.40.0040.00417.87
8.2.30.0040.00417.98
8.2.20.0050.00317.61
8.2.10.0040.00418.13
8.2.00.0060.00317.68
8.1.270.0040.00423.79
8.1.260.0030.00626.35
8.1.250.0020.00528.09
8.1.240.0070.00322.48
8.1.230.0110.00020.85
8.1.220.0030.00518.77
8.1.210.0030.00618.77
8.1.200.0040.00717.35
8.1.190.0080.00017.22
8.1.180.0030.00518.10
8.1.170.0040.00418.62
8.1.160.0050.00221.96
8.1.150.0040.00418.84
8.1.140.0040.00417.37
8.1.130.0000.00717.83
8.1.120.0070.00017.44
8.1.110.0020.00517.36
8.1.100.0070.00017.34
8.1.90.0030.00317.36
8.1.80.0050.00217.27
8.1.70.0000.00717.37
8.1.60.0000.00817.39
8.1.50.0040.00417.56
8.1.40.0040.00417.51
8.1.30.0040.00417.54
8.1.20.0030.00617.46
8.1.10.0030.00617.46
8.1.00.0000.00817.44
8.0.300.0000.00819.70
8.0.290.0020.00516.75
8.0.280.0070.00018.46
8.0.270.0000.00717.15
8.0.260.0040.00417.29
8.0.250.0000.00716.99
8.0.240.0040.00416.83
8.0.230.0000.00916.88
8.0.220.0000.00716.79
8.0.210.0040.00416.76
8.0.200.0000.00616.81
8.0.190.0000.00716.81
8.0.180.0000.00716.93
8.0.170.0080.00016.93
8.0.160.0030.00316.84
8.0.150.0000.00716.88
8.0.140.0040.00416.87
8.0.130.0030.00313.26
8.0.120.0030.00616.85
8.0.110.0030.00516.86
8.0.100.0000.00816.78
8.0.90.0030.00516.88
8.0.80.0030.01216.93
8.0.70.0080.00016.69
8.0.60.0000.00716.73
8.0.50.0050.00316.83
8.0.30.0090.00916.89
8.0.20.0060.01317.40
8.0.10.0040.00416.86
8.0.00.0060.01116.63
7.4.330.0000.00515.00
7.4.320.0000.00616.50
7.4.300.0000.00616.49
7.4.290.0030.00316.43
7.4.280.0050.00316.52
7.4.270.0040.00416.51
7.4.260.0040.00416.44
7.4.250.0000.00716.44
7.4.240.0020.00516.46
7.4.230.0050.00216.62
7.4.220.0090.00916.42
7.4.210.0000.01416.46
7.4.200.0030.00316.32
7.4.160.0160.00416.46
7.4.150.0100.01617.40
7.4.140.0090.01017.86
7.4.130.0070.00916.41
7.4.120.0100.00916.52
7.4.110.0100.00616.41
7.4.100.0060.01316.52
7.4.90.0140.00716.50
7.4.80.0160.00819.39
7.4.70.0120.00416.45
7.4.60.0130.00716.45
7.4.50.0060.00316.65
7.4.40.0000.01616.31
7.4.30.0090.00616.46
7.4.00.0070.01014.79
7.3.330.0050.00013.15
7.3.320.0020.00213.09
7.3.310.0060.00016.29
7.3.300.0000.00616.05
7.3.290.0070.01216.28
7.3.280.0090.00716.26
7.3.270.0080.00817.40
7.3.260.0070.01416.30
7.3.250.0130.00716.37
7.3.240.0110.00616.34
7.3.230.0090.01216.39
7.3.210.0130.00616.43
7.3.200.0070.01019.39
7.3.190.0130.00516.50
7.3.180.0130.00316.18
7.3.170.0060.00916.32
7.3.160.0110.00616.27
7.3.120.0120.00514.97
7.3.110.0050.01214.85
7.3.100.0080.00914.99
7.3.90.0050.00814.69
7.3.80.0090.00514.82
7.3.70.0080.00514.71
7.3.60.0060.00914.85
7.3.50.0100.00014.59
7.3.40.0080.00514.71
7.3.30.0100.00214.65
7.3.20.0060.00516.47
7.3.10.0080.00616.62
7.3.00.0070.00716.49
7.2.330.0130.00616.65
7.2.320.0090.00916.40
7.2.310.0070.01516.53
7.2.300.0030.01216.27
7.2.290.0100.00616.66
7.2.250.0130.00514.87
7.2.240.0100.00814.92
7.2.230.0050.01014.65
7.2.220.0090.00315.04
7.2.210.0040.01214.88
7.2.200.0050.00915.01
7.2.190.0080.00714.84
7.2.180.0020.00914.91
7.2.170.0030.00814.65
7.2.160.0060.00914.91
7.2.150.0090.00316.53
7.2.140.0110.00016.65
7.2.130.0080.00316.82
7.2.120.0040.00916.57
7.2.110.0030.01116.57
7.2.100.0020.01216.84
7.2.90.0040.01116.91
7.2.80.0020.01316.73
7.2.70.0030.00816.63
7.2.60.0060.00916.67
7.2.50.0080.00516.76
7.2.40.0030.00916.83
7.2.30.0030.01316.86
7.2.20.0050.00716.81
7.2.10.0090.00516.95
7.2.00.0080.00516.58
7.1.330.0060.01015.74
7.1.320.0060.00615.46
7.1.310.0070.00515.64
7.1.300.0080.00515.63
7.1.290.0040.00715.70
7.1.280.0080.00815.66
7.1.270.0070.00615.47
7.1.260.0030.01015.56
7.1.250.0070.00515.43
7.1.240.0070.00315.50
7.1.230.0030.01015.41
7.1.220.0060.00615.84
7.1.210.0090.00315.69
7.1.200.0100.00315.80
7.1.190.0060.00315.62
7.1.180.0040.01115.61
7.1.170.0040.00415.65
7.1.160.0070.00715.52
7.1.150.0110.00315.86
7.1.140.0000.01215.65
7.1.130.0030.00915.61
7.1.120.0030.01015.47
7.1.110.0130.00015.80
7.1.100.0060.00315.39
7.1.90.0040.00715.36
7.1.80.0080.00415.66
7.1.70.0090.00516.35
7.1.60.0050.01117.43
7.1.50.0100.00516.12
7.1.40.0060.00915.77
7.1.30.0040.00815.50
7.1.20.0090.00315.74
7.1.10.0000.01415.43
7.1.00.0090.03819.00
7.0.330.0070.00715.08
7.0.320.0060.00615.59
7.0.310.0000.01315.50
7.0.300.0040.00715.53
7.0.290.0030.01015.29
7.0.280.0070.00715.15
7.0.270.0070.00415.32
7.0.260.0090.00315.20
7.0.250.0030.01015.53
7.0.240.0070.00315.12
7.0.230.0040.00815.32
7.0.220.0060.00615.39
7.0.210.0000.01015.21
7.0.200.0000.01115.95
7.0.190.0060.00815.28
7.0.180.0040.01215.28
7.0.170.0130.00315.49
7.0.160.0060.00915.07
7.0.150.0030.01015.38
7.0.140.0050.04218.82
7.0.130.0030.01415.13
7.0.120.0100.00315.53
7.0.110.0030.00915.43
7.0.100.0070.01015.53
7.0.90.0000.01215.29
7.0.80.0090.00915.05
7.0.70.0030.01015.26
7.0.60.0040.02317.70
7.0.50.0030.03716.56
7.0.40.0100.04316.63
7.0.30.0240.02716.72
7.0.20.0120.02616.79
7.0.10.0190.02316.68
7.0.00.0080.02816.83
5.6.400.0030.01014.19
5.6.390.0070.01013.90
5.6.380.0000.00814.27
5.6.370.0040.01114.63
5.6.360.0070.00714.08
5.6.350.0030.01314.30
5.6.340.0040.01114.56
5.6.330.0070.00314.19
5.6.320.0110.00014.30
5.6.310.0070.00714.32
5.6.300.0040.01114.30
5.6.290.0030.00614.16
5.6.280.0070.03617.63
5.6.270.0030.01314.58
5.6.260.0040.01114.13
5.6.250.0060.01014.56
5.6.240.0090.00614.32
5.6.230.0040.00714.03
5.6.220.0070.00714.31
5.6.210.0030.02617.33
5.6.200.0080.03016.28
5.6.190.0070.03417.53
5.6.180.0190.02917.33
5.6.170.0160.04317.21
5.6.160.0070.04117.49
5.6.150.0070.03816.27
5.6.140.0050.02916.36
5.6.130.0150.02516.18
5.6.120.0030.05017.87
5.6.110.0050.02417.55
5.6.100.0130.03017.77
5.6.90.0070.02517.55
5.6.80.0050.03717.35
5.6.70.1930.01317.21
5.6.60.0070.00714.09
5.6.50.0000.01013.97
5.6.40.0070.00714.25
5.6.30.0060.00914.21
5.6.20.0000.01414.43
5.6.10.0030.01013.95
5.6.00.0060.00614.12
5.5.380.0050.00514.39
5.5.370.0090.00914.05
5.5.360.0060.00313.85
5.5.350.0100.04017.31
5.5.340.0090.04416.16
5.5.330.0050.04917.27
5.5.320.0180.02517.12
5.5.310.0150.03117.23
5.5.300.0070.04516.18
5.5.290.0030.02516.13
5.5.280.0080.02317.52
5.5.270.0050.02617.47
5.5.260.0070.04017.64
5.5.250.0070.04317.33
5.5.240.0150.03617.19
5.5.230.0100.00314.35
5.5.220.0100.00714.10
5.5.210.0100.00314.05
5.5.200.0030.01013.95
5.5.190.0000.01414.28
5.5.180.0000.01514.22
5.5.170.0090.00613.91
5.5.160.0050.00514.27
5.5.150.0000.01514.18
5.5.140.0060.00914.20
5.5.130.0070.00714.02
5.5.120.0030.01014.23
5.5.110.0060.00914.02
5.5.100.0070.01113.98
5.5.90.0030.01014.29
5.5.80.0090.00614.13
5.5.70.0030.01014.09
5.5.60.0030.00514.02
5.5.50.0000.00914.20
5.5.40.0030.01014.16
5.5.30.0060.00914.06
5.5.20.0060.00913.92
5.5.10.0030.00614.11
5.5.00.0030.01113.85
5.4.450.0320.02316.30
5.4.440.0320.02016.31
5.4.430.0370.02016.21
5.4.420.0190.02716.37
5.4.410.0600.02316.29
5.4.400.0300.02016.12
5.4.390.0350.02216.19
5.4.380.0050.03315.80
5.4.370.0140.03015.86
5.4.360.0140.02415.89
5.4.350.0020.03715.88
5.4.340.0070.03415.94
5.4.330.0080.00313.16
5.4.320.0040.02312.81
5.4.310.0090.02012.80
5.4.300.0050.02312.80
5.4.290.0050.02312.80
5.4.280.0070.01912.75
5.4.270.0020.02212.75
5.4.260.0070.02012.75
5.4.250.0060.02112.75
5.4.240.0070.01912.75
5.4.230.0080.02012.75
5.4.220.0050.02012.75
5.4.210.0040.02212.75
5.4.200.0040.02412.75
5.4.190.0040.02212.75
5.4.180.0020.02212.75
5.4.170.0060.02112.75
5.4.160.0070.01812.75
5.4.150.0030.02312.75
5.4.140.0080.01912.59
5.4.130.0050.02112.59
5.4.120.0040.01912.56
5.4.110.0040.02212.56
5.4.100.0060.02112.56
5.4.90.0050.02512.56
5.4.80.0070.02012.56
5.4.70.0040.02712.56
5.4.60.0070.02712.56
5.4.50.0070.02112.56
5.4.40.0080.02312.55
5.4.30.0040.03012.55
5.4.20.0050.02612.55
5.4.10.0070.02412.55
5.4.00.0090.02112.30
5.3.290.0050.04012.80
5.3.280.0050.04012.71
5.3.270.0060.04512.73
5.3.260.0100.04512.72
5.3.250.0050.03912.72
5.3.240.0050.03812.71
5.3.230.0100.03512.71
5.3.220.0110.04012.68
5.3.210.0070.03912.68
5.3.200.0080.03712.68
5.3.190.0060.04012.68
5.3.180.0040.04112.67
5.3.170.0070.03612.67
5.3.160.0050.03712.68
5.3.150.0060.03812.68
5.3.140.0080.03912.66
5.3.130.0070.04312.65
5.3.120.0090.03912.66
5.3.110.0070.04212.65
5.3.100.0130.04312.12
5.3.90.0080.04812.09
5.3.80.0070.04512.07
5.3.70.0090.03612.07
5.3.60.0050.03812.07
5.3.50.0170.04512.00
5.3.40.0070.04312.00
5.3.30.0050.04611.94
5.3.20.0050.03611.72
5.3.10.0030.03811.69
5.3.00.0030.04011.68
5.2.170.0020.0389.18
5.2.160.0030.0399.18
5.2.150.0040.0329.18
5.2.140.0050.0329.17
5.2.130.0050.0319.13
5.2.120.0100.0409.13
5.2.110.0080.0279.14
5.2.100.0050.0339.13
5.2.90.0030.0339.13
5.2.80.0040.0319.13
5.2.70.0040.0319.13
5.2.60.0030.0329.08
5.2.50.0050.0309.05
5.2.40.0040.0309.03
5.2.30.0050.0309.00
5.2.20.0040.0309.00
5.2.10.0040.0308.93
5.2.00.0070.0278.79
5.1.60.0050.0348.08
5.1.50.0070.0238.07
5.1.40.0040.0258.05
5.1.30.0070.0228.40
5.1.20.0040.0288.42
5.1.10.0060.0298.15
5.1.00.0050.0308.15
5.0.50.0050.0296.63
5.0.40.0040.0206.48
5.0.30.0040.0356.30
5.0.20.0040.0196.27
5.0.10.0040.0206.24
5.0.00.0040.0326.24
4.4.90.0050.0154.78
4.4.80.0010.0174.75
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0040.0234.71
4.4.30.0040.0144.76
4.4.20.0030.0164.85
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0020.0204.67
4.3.100.0040.0144.67
4.3.90.0020.0164.64
4.3.80.0040.0234.58
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0050.0304.54
4.3.30.0040.0203.30
4.3.20.0000.0183.27
4.3.10.0030.0203.23
4.3.00.0200.01315.95

preferences:
49.63 ms | 400 KiB | 5 Q