3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('string' != 0); var_dump('string' !== 0);

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)
8.3.40.0100.00718.51
8.3.30.0030.01018.79
8.3.20.0040.00420.27
8.3.10.0000.00823.71
8.3.00.0000.00818.89
8.2.170.0060.00922.96
8.2.160.0100.00320.44
8.2.150.0050.00224.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.72
8.2.110.0060.00322.30
8.2.100.0090.00320.89
8.2.90.0000.00819.09
8.2.80.0030.00517.97
8.2.70.0000.00917.50
8.2.60.0080.00317.78
8.2.50.0050.00318.07
8.2.40.0050.00519.76
8.2.30.0000.00718.19
8.2.20.0050.00317.50
8.2.10.0000.00717.80
8.2.00.0030.00517.54
8.1.270.0040.00423.59
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00923.97
8.1.230.0090.00319.09
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0090.00017.10
8.1.180.0000.00718.10
8.1.170.0030.00518.50
8.1.160.0000.00821.86
8.1.150.0000.00718.41
8.1.140.0040.00417.33
8.1.130.0000.00717.75
8.1.120.0000.00717.28
8.1.110.0040.00317.15
8.1.100.0000.00717.30
8.1.90.0030.00317.27
8.1.80.0050.00317.31
8.1.70.0070.00017.19
8.1.60.0070.00317.48
8.1.50.0060.00317.34
8.1.40.0040.00417.42
8.1.30.0060.00317.57
8.1.20.0040.00417.54
8.1.10.0040.00417.31
8.1.00.0000.00717.35
8.0.300.0000.00718.77
8.0.290.0030.00616.93
8.0.280.0000.00818.24
8.0.270.0030.00317.03
8.0.260.0030.00317.16
8.0.250.0000.00716.84
8.0.240.0070.00016.82
8.0.230.0070.00016.77
8.0.220.0000.00916.73
8.0.210.0040.00416.75
8.0.200.0080.00016.68
8.0.190.0040.00416.73
8.0.180.0050.00316.73
8.0.170.0050.00316.76
8.0.160.0070.00016.84
8.0.150.0040.00416.64
8.0.140.0000.00916.75
8.0.130.0060.00013.14
8.0.120.0000.00716.69
8.0.110.0000.00716.67
8.0.100.0030.00616.57
8.0.90.0060.00316.61
8.0.80.0090.00616.81
8.0.70.0080.00016.70
8.0.60.0030.00316.64
8.0.50.0040.00416.75
8.0.30.0080.01116.73
8.0.20.0150.00517.40
8.0.10.0040.00416.88
8.0.00.0150.00816.68
7.4.330.0030.00315.00
7.4.320.0030.00316.33
7.4.300.0000.00716.45
7.4.290.0030.00316.44
7.4.280.0000.00716.33
7.4.270.0000.00716.45
7.4.260.0000.00716.36
7.4.250.0040.00416.41
7.4.240.0040.00416.37
7.4.230.0000.00716.16
7.4.220.0060.01016.30
7.4.210.0050.01016.44
7.4.200.0030.00516.35
7.4.190.0070.00016.32
7.4.160.0060.00916.37
7.4.150.0110.00617.40
7.4.140.0060.01317.86
7.4.130.0060.01116.47
7.4.120.0070.01016.32
7.4.110.0150.00016.42
7.4.100.0140.00316.39
7.4.90.0090.00916.34
7.4.80.0040.01719.39
7.4.70.0060.01016.25
7.4.60.0060.01116.29
7.4.50.0000.00816.48
7.4.40.0070.01016.07
7.4.30.0130.00316.54
7.4.10.0070.01114.71
7.4.00.0060.00815.00
7.3.330.0000.00512.96
7.3.320.0000.00512.84
7.3.310.0030.00316.13
7.3.300.0000.00616.11
7.3.290.0060.00916.11
7.3.280.0070.01116.13
7.3.270.0100.00717.40
7.3.260.0200.00316.28
7.3.250.0090.00816.14
7.3.240.0080.00816.11
7.3.230.0060.01016.42
7.3.210.0130.00316.45
7.3.200.0100.01019.39
7.3.190.0090.00916.35
7.3.180.0080.00816.23
7.3.170.0060.01216.27
7.3.160.0090.00616.09
7.3.130.0090.00614.79
7.3.120.0100.00714.47
7.3.110.0070.01014.86
7.3.100.0100.00314.41
7.3.90.0110.00314.60
7.3.80.0080.00314.48
7.3.70.0100.00614.72
7.3.60.0000.01414.42
7.3.50.0040.00414.28
7.3.40.0070.00714.75
7.3.30.0000.01414.52
7.3.20.0070.00316.28
7.3.10.0070.00716.59
7.3.00.0030.00916.44
7.2.330.0120.00616.54
7.2.320.0100.01016.45
7.2.310.0030.01516.25
7.2.300.0040.01216.24
7.2.290.0130.00616.36
7.2.260.0090.00914.70
7.2.250.0080.00815.00
7.2.240.0070.00714.88
7.2.230.0040.01514.66
7.2.220.0060.01315.01
7.2.210.0060.01014.93
7.2.200.0100.00614.81
7.2.190.0040.00914.86
7.2.180.0060.00614.79
7.2.170.0110.00314.77
7.2.160.0090.00014.68
7.2.150.0070.00316.57
7.2.140.0060.00616.60
7.2.130.0040.01216.61
7.2.120.0040.00716.50
7.2.110.0090.00616.64
7.2.100.0030.01516.70
7.2.90.0090.00016.46
7.2.80.0060.00616.96
7.2.70.0000.01416.53
7.2.60.0060.01016.67
7.2.50.0110.00416.54
7.2.40.0070.00716.67
7.2.30.0020.01216.79
7.2.20.0040.00716.46
7.2.10.0080.00016.84
7.2.00.0030.01217.98
7.1.330.0100.00315.61
7.1.320.0110.00415.64
7.1.310.0070.00715.63
7.1.300.0030.01015.77
7.1.290.0000.00915.40
7.1.280.0030.01015.42
7.1.270.0100.00315.56
7.1.260.0040.00715.63
7.1.250.0030.00515.61
7.1.240.0000.00815.34
7.1.230.0030.01015.73
7.1.220.0070.01015.45
7.1.210.0000.01115.61
7.1.200.0050.00815.61
7.1.190.0110.00015.78
7.1.180.0060.00615.77
7.1.170.0030.00615.69
7.1.160.0080.00515.67
7.1.150.0060.00315.27
7.1.140.0040.00415.72
7.1.130.0050.00515.48
7.1.120.0060.00315.64
7.1.110.0110.00315.61
7.1.100.0050.00916.77
7.1.90.0030.01015.73
7.1.80.0000.01415.41
7.1.70.0030.01016.03
7.1.60.0040.01417.62
7.1.50.0030.01116.28
7.1.40.0000.00915.30
7.1.30.0050.00815.75
7.1.20.0110.00015.71
7.1.10.0060.00615.57
7.1.00.0050.04019.04
7.0.330.0070.00715.27
7.0.320.0050.00515.25
7.0.310.0060.01115.34
7.0.300.0060.00315.27
7.0.290.0070.00714.95
7.0.280.0070.00715.23
7.0.270.0040.00715.00
7.0.260.0070.00715.29
7.0.250.0000.01715.31
7.0.240.0030.01015.45
7.0.230.0030.01015.18
7.0.220.0060.00615.45
7.0.210.0050.00515.31
7.0.200.0100.00315.78
7.0.190.0060.00615.31
7.0.180.0000.01115.34
7.0.170.0100.00315.45
7.0.160.0030.00915.29
7.0.150.0060.00614.98
7.0.140.0050.04118.71
7.0.130.0080.00415.40
7.0.120.0040.01115.32
7.0.110.0070.00715.40
7.0.100.0050.00515.20
7.0.90.0070.00415.08
7.0.80.0060.00915.26
7.0.70.0030.00915.20
7.0.60.0100.04217.49
7.0.50.0020.02816.49
7.0.40.0050.04516.82
7.0.30.0200.03716.67
7.0.20.0180.04516.73
7.0.10.0210.04016.64
7.0.00.0040.02716.76
5.6.400.0070.00713.94
5.6.390.0000.01114.38
5.6.380.0090.00314.45
5.6.370.0040.00814.00
5.6.360.0090.00014.43
5.6.350.0030.00514.22
5.6.340.0110.00314.15
5.6.330.0060.00314.38
5.6.320.0090.00614.22
5.6.310.0070.00414.16
5.6.300.0060.00614.05
5.6.290.0040.01114.07
5.6.280.0050.04117.68
5.6.270.0080.00813.99
5.6.260.0040.01214.04
5.6.250.0030.00714.25
5.6.240.0000.01314.25
5.6.230.0040.00713.93
5.6.220.0070.00914.17
5.6.210.0040.02917.32
5.6.200.0050.02516.24
5.6.190.0020.02817.23
5.6.180.0160.02617.36
5.6.170.0130.03817.37
5.6.160.0090.04517.36
5.6.150.0030.03916.21
5.6.140.0070.02216.06
5.6.130.0020.03016.14
5.6.120.0080.04717.67
5.6.110.0070.02217.62
5.6.100.0050.04117.56
5.6.90.0120.03717.64
5.6.80.0070.03017.35
5.6.70.0160.04117.32
5.6.60.0030.01014.13
5.6.50.0030.00614.04
5.6.40.0090.00614.02
5.6.30.0000.00814.19
5.6.20.0080.00414.10
5.6.10.0080.00814.28
5.6.00.0070.00714.39
5.5.380.0130.00314.11
5.5.370.0070.01014.09
5.5.360.0040.01214.39
5.5.350.0060.04317.08
5.5.340.0080.03816.25
5.5.330.0060.04117.27
5.5.320.0080.02717.31
5.5.310.0190.01816.95
5.5.300.0130.03816.03
5.5.290.0080.03116.08
5.5.280.0070.02217.38
5.5.270.0020.02517.37
5.5.260.0010.04917.24
5.5.250.0080.04317.27
5.5.240.0130.03717.21
5.5.230.0070.00314.14
5.5.220.0070.00413.60
5.5.210.0090.00313.83
5.5.200.0100.00314.09
5.5.190.0050.00313.61
5.5.180.0070.00713.85
5.5.170.0000.01313.73
5.5.160.0060.00613.89
5.5.150.0070.00713.90
5.5.140.0000.01514.07
5.5.130.0040.00713.95
5.5.120.0030.01314.19
5.5.110.0130.00014.03
5.5.100.0040.01113.93
5.5.90.0060.00614.04
5.5.80.0040.01114.31
5.5.70.0100.00314.28
5.5.60.0030.01313.85
5.5.50.0070.00713.88
5.5.40.0060.00613.99
5.5.30.0090.00614.21
5.5.20.0090.00613.81
5.5.10.0080.00813.64
5.5.00.0060.00313.70
5.4.450.0150.03714.85
5.4.440.0470.03815.22
5.4.430.0440.03515.14
5.4.420.0660.02814.91
5.4.410.0470.02714.88
5.4.400.0350.02914.88
5.4.390.0490.03014.85
5.4.380.0070.03314.78
5.4.370.0070.03114.69
5.4.360.0060.03014.78
5.4.350.0110.02914.74
5.4.340.0120.02614.57
5.4.330.0000.01110.51
5.4.320.0050.02011.63
5.4.310.0070.02111.62
5.4.300.0070.02911.46
5.4.290.0050.02711.47
5.4.280.0080.02311.51
5.4.270.0040.02511.57
5.4.260.0040.02311.53
5.4.250.0090.02111.65
5.4.240.0040.02711.56
5.4.230.0050.02911.66
5.4.220.0050.02811.53
5.4.210.0050.01911.53
5.4.200.0050.02311.52
5.4.190.0050.02711.61
5.4.180.0080.02711.62
5.4.170.0070.02111.69
5.4.160.0040.02311.63
5.4.150.0040.02711.56
5.4.140.0070.02911.39
5.4.130.0040.02711.38
5.4.120.0060.02811.37
5.4.110.0040.02811.41
5.4.100.0070.02411.41
5.4.90.0040.03211.42
5.4.80.0050.03011.36
5.4.70.0050.02711.41
5.4.60.0030.02411.24
5.4.50.0110.01611.39
5.4.40.0060.01911.34
5.4.30.0040.02211.33
5.4.20.0040.02211.39
5.4.10.0050.02211.40
5.4.00.0060.02111.03
5.3.290.0050.02311.55
5.3.280.0060.02311.48
5.3.270.0080.02011.49
5.3.260.0070.01911.56
5.3.250.0060.02311.49
5.3.240.0040.02111.49
5.3.230.0030.02311.48
5.3.220.0060.02111.46
5.3.210.0070.02211.47
5.3.200.0030.02111.47
5.3.190.0070.02111.47
5.3.180.0040.02111.56
5.3.170.0040.02211.46
5.3.160.0060.02111.51
5.3.150.0090.02111.52
5.3.140.0050.02111.50
5.3.130.0050.02911.46
5.3.120.0050.02611.46
5.3.110.0070.02211.47
5.3.100.0060.01911.19
5.3.90.0060.02511.17
5.3.80.0080.02111.16
5.3.70.0080.02611.17
5.3.60.0050.02311.16
5.3.50.0060.02911.13
5.3.40.0080.02111.13
5.3.30.0070.02011.10
5.3.20.0050.02310.99
5.3.10.0050.02410.97
5.3.00.0090.02010.96
5.2.170.0100.0309.18
5.2.160.0060.0339.18
5.2.150.0100.0379.18
5.2.140.0060.0319.17
5.2.130.0050.0329.14
5.2.120.0050.0349.14
5.2.110.0050.0349.14
5.2.100.0050.0449.13
5.2.90.0070.0429.13
5.2.80.0050.0459.13
5.2.70.0040.0469.13
5.2.60.0080.0429.09
5.2.50.0070.0449.05
5.2.40.0060.0419.03
5.2.30.0090.0319.01
5.2.20.0060.0298.99
5.2.10.0050.0408.91
5.2.00.0040.0438.77
5.1.60.0070.0228.06
5.1.50.0050.0248.05
5.1.40.0020.0268.04
5.1.30.0050.0258.39
5.1.20.0050.0398.41
5.1.10.0070.0348.14
5.1.00.0020.0308.13
5.0.50.0010.0236.61
5.0.40.0080.0156.47
5.0.30.0020.0346.28
5.0.20.0020.0226.26
5.0.10.0040.0216.23
5.0.00.0040.0396.23
4.4.90.0040.0204.78
4.4.80.0030.0194.75
4.4.70.0050.0154.76
4.4.60.0030.0154.75
4.4.50.0030.0204.77
4.4.40.0020.0284.70
4.4.30.0040.0174.76
4.4.20.0100.0314.85
4.4.10.0040.0164.85
4.4.00.0020.0284.76
4.3.110.0050.0144.67
4.3.100.0030.0154.66
4.3.90.0030.0204.64
4.3.80.0030.0294.58
4.3.70.0020.0204.63
4.3.60.0080.0234.63
4.3.50.0060.0134.63
4.3.40.0030.0264.53
4.3.30.0050.0133.28
4.3.20.0040.0193.26
4.3.10.0030.0183.21
4.3.00.0100.0207.15

preferences:
39.39 ms | 400 KiB | 5 Q