3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; $b = ''; var_dump(strcmp($a, $b));

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)
8.3.40.0040.01418.43
8.3.30.0100.00319.10
8.3.20.0070.00020.07
8.3.10.0040.01422.10
8.3.00.0040.00422.46
8.2.170.0120.00322.96
8.2.160.0070.01021.00
8.2.150.0140.00024.18
8.2.140.0000.00824.66
8.2.130.0060.01226.16
8.2.120.0100.00619.82
8.2.110.0060.00320.56
8.2.100.0120.00017.72
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0030.00617.38
8.2.60.0030.00517.80
8.2.50.0000.00818.07
8.2.40.0000.00818.21
8.2.30.0040.00417.86
8.2.20.0040.00417.49
8.2.10.0050.00217.54
8.2.00.0110.00017.47
8.1.270.0050.00322.20
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00320.84
8.1.230.0110.00017.42
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00417.23
8.1.190.0000.00817.29
8.1.180.0000.00818.60
8.1.170.0040.00418.50
8.1.160.0040.00423.73
8.1.150.0050.00318.55
8.1.140.0040.00417.38
8.1.130.0040.00417.69
8.1.120.0050.00217.35
8.1.110.0040.00417.28
8.1.100.0000.00817.29
8.1.90.0050.00317.34
8.1.80.0030.00317.45
8.1.70.0040.00417.25
8.1.60.0120.00017.49
8.1.50.0080.00017.48
8.1.40.0000.00717.42
8.1.30.0000.00917.50
8.1.20.0050.00317.57
8.1.10.0000.00817.31
8.1.00.0040.00417.22
8.0.300.0060.00318.77
8.0.290.0030.00616.75
8.0.280.0030.00318.25
8.0.270.0040.00417.14
8.0.260.0030.00318.38
8.0.250.0000.00716.76
8.0.240.0040.00416.89
8.0.230.0030.00316.82
8.0.220.0070.00016.70
8.0.210.0030.00316.82
8.0.200.0030.00316.90
8.0.190.0040.00416.76
8.0.180.0040.00416.88
8.0.170.0040.00416.81
8.0.160.0040.00416.82
8.0.150.0030.00316.82
8.0.140.0000.00816.84
8.0.130.0060.00013.23
8.0.120.0000.00716.81
8.0.110.0040.00416.84
8.0.100.0000.00816.67
8.0.90.0000.00716.72
8.0.80.0040.01116.80
8.0.70.0040.00416.72
8.0.60.0000.00816.68
8.0.50.0040.00416.68
8.0.30.0090.01117.07
8.0.20.0100.00817.40
8.0.10.0040.00316.90
8.0.00.0180.01916.78
7.4.330.0050.00015.07
7.4.320.0030.00316.48
7.4.300.0030.00316.41
7.4.290.0040.00416.48
7.4.280.0030.00316.41
7.4.270.0040.00416.48
7.4.260.0100.00016.45
7.4.250.0000.00716.41
7.4.240.0040.00416.48
7.4.230.0000.00716.27
7.4.220.0040.01116.50
7.4.210.0090.00716.51
7.4.200.0040.00416.43
7.4.190.0000.00816.62
7.4.160.0160.00816.38
7.4.150.0060.01117.40
7.4.140.0110.00717.86
7.4.130.0080.01316.50
7.4.120.0060.01116.46
7.4.110.0120.00616.47
7.4.100.0100.00716.32
7.4.90.0070.01016.45
7.4.80.0070.01019.39
7.4.70.0100.00716.34
7.4.60.0090.00716.26
7.4.50.0060.00816.20
7.4.40.0090.00818.50
7.4.30.0080.00816.21
7.4.20.0110.00715.93
7.4.10.0120.00416.35
7.4.00.0070.00915.76
7.3.330.0000.00513.12
7.3.320.0000.00512.87
7.3.310.0000.00716.21
7.3.300.0030.00316.15
7.3.290.0040.01016.09
7.3.280.0110.00616.15
7.3.270.0030.01917.40
7.3.260.0030.01316.38
7.3.250.0070.01316.29
7.3.240.0100.01016.19
7.3.230.0070.01116.39
7.3.210.0030.01316.13
7.3.200.0070.01019.39
7.3.190.0120.00916.46
7.3.180.0080.00816.32
7.3.170.0060.00916.04
7.3.160.0090.00916.15
7.3.150.0070.01016.07
7.3.140.0060.01016.50
7.3.130.0160.00016.01
7.3.120.0080.00815.56
7.3.110.0130.00316.42
7.3.100.0090.00716.32
7.3.90.0130.00316.16
7.3.80.0030.01116.14
7.3.70.0090.00616.16
7.3.60.0130.00316.21
7.3.50.0150.00016.09
7.3.40.0110.00516.10
7.3.30.0130.00316.10
7.3.20.0000.01715.86
7.3.10.0050.01016.11
7.3.00.0200.00016.01
7.2.330.0100.00716.41
7.2.320.0110.00716.62
7.2.310.0070.01116.16
7.2.300.0030.01316.33
7.2.290.0090.00616.50
7.2.280.0130.00616.28
7.2.270.0080.00816.43
7.2.260.0160.00016.29
7.2.250.0030.01416.36
7.2.240.0080.00816.21
7.2.230.0060.00916.45
7.2.220.0060.00916.08
7.2.210.0100.00616.11
7.2.200.0100.00716.43
7.2.190.0090.00916.25
7.2.180.0000.01516.38
7.2.170.0100.00716.11
7.2.160.0070.01016.20
7.2.150.0100.00616.31
7.2.140.0060.01016.14
7.2.130.0030.01316.36
7.2.120.0090.00616.18
7.2.110.0160.00016.42
7.2.100.0060.00916.35
7.2.90.0140.00316.52
7.2.80.0100.00716.17
7.2.70.0070.01316.17
7.2.60.0040.01515.98
7.2.50.0040.01216.23
7.2.40.0090.00616.19
7.2.30.0000.01716.19
7.2.20.0160.00016.35
7.2.10.0140.00316.22
7.2.00.0050.00917.78
7.1.330.0080.00815.43
7.1.320.0070.00715.25
7.1.310.0090.00615.37
7.1.300.0030.01215.29
7.1.290.0140.00015.42
7.1.280.0060.00915.46
7.1.270.0060.00915.37
7.1.260.0090.00615.50
7.1.250.0060.00915.26
7.1.240.0110.00315.39
7.1.230.0060.00915.44
7.1.220.0120.00315.30
7.1.210.0060.01115.43
7.1.200.0060.01215.35
7.1.190.0110.00615.42
7.1.180.0040.01115.41
7.1.170.0040.01115.15
7.1.160.0110.00415.36
7.1.150.0130.00315.18
7.1.140.0060.00915.43
7.1.130.0040.01115.46
7.1.120.0070.00815.45
7.1.110.0080.00815.43
7.1.100.0090.00716.60
7.1.90.0110.00415.34
7.1.80.0120.00615.27
7.1.70.0030.00816.05
7.1.60.0030.01517.54
7.1.50.0050.01016.14
7.1.40.0100.00715.42
7.1.30.0080.00915.36
7.1.20.0070.01015.36
7.1.10.0160.00015.20
7.1.00.0060.04018.88
7.0.330.0100.00315.06
7.0.320.0000.01515.22
7.0.310.0060.01315.09
7.0.300.0120.00615.12
7.0.290.0060.00914.96
7.0.280.0070.00714.89
7.0.270.0070.00714.89
7.0.260.0070.00715.14
7.0.250.0130.00614.98
7.0.240.0040.01114.94
7.0.230.0060.01015.07
7.0.220.0140.01115.03
7.0.210.0060.00914.92
7.0.200.0070.00815.95
7.0.190.0060.01315.13
7.0.180.0070.01015.07
7.0.170.0090.00615.10
7.0.160.0100.00515.15
7.0.150.0110.00414.89
7.0.140.0030.04318.58
7.0.130.0130.00614.91
7.0.120.0130.00615.05
7.0.110.0070.00715.00
7.0.100.0130.00614.90
7.0.90.0130.00315.05
7.0.80.0070.01114.80
7.0.70.0130.00614.89
7.0.60.0160.02717.46
7.0.50.0110.04216.44
7.0.40.0050.04617.59
7.0.30.0150.02217.36
7.0.20.0190.04017.54
7.0.10.0090.02317.64
7.0.00.0110.02617.51
5.6.400.0060.00915.62
5.6.390.0130.00315.67
5.6.380.0100.00715.74
5.6.370.0030.01615.55
5.6.360.0070.01115.30
5.6.350.0070.01015.49
5.6.340.0030.01315.73
5.6.330.0030.01315.32
5.6.320.0040.01915.28
5.6.310.0030.01315.75
5.6.300.0070.01015.56
5.6.290.0090.00915.46
5.6.280.0060.04318.42
5.6.270.0030.01915.51
5.6.260.0160.00615.48
5.6.250.0130.00315.77
5.6.240.0130.00315.70
5.6.230.0130.00315.53
5.6.220.0080.00815.43
5.6.210.0060.03918.05
5.6.200.0030.03917.00
5.6.190.0120.03718.20
5.6.180.0170.04518.01
5.6.170.0250.04217.99
5.6.160.0050.04817.99
5.6.150.0070.02816.83
5.6.140.0070.02316.90
5.6.130.0110.04016.93
5.6.120.0020.04518.39
5.6.110.0020.02818.37
5.6.100.0080.03718.29
5.6.90.0080.04518.13
5.6.80.0120.02718.05
5.6.70.0150.00315.55
5.6.60.0000.01715.50
5.6.50.0060.01215.43
5.6.40.0030.01415.63
5.6.30.0030.01415.77
5.6.20.0090.00915.53
5.6.10.0130.00315.57
5.6.00.0000.01615.56
5.5.380.0070.01115.45
5.5.370.0130.00415.28
5.5.360.0000.01815.70
5.5.350.0160.03318.07
5.5.340.0110.02716.80
5.5.330.0090.04317.85
5.5.320.0260.04017.94
5.5.310.0120.03817.89
5.5.300.0070.03916.74
5.5.290.0060.03416.57
5.5.280.0030.02818.13
5.5.270.0080.04718.16
5.5.260.0130.02818.09
5.5.250.0090.04518.03
5.5.240.0080.02417.86
5.5.230.0070.01015.50
5.5.220.0090.00915.62
5.5.210.0110.00715.67
5.5.200.0030.01315.61
5.5.190.0000.01815.70
5.5.180.0090.00915.48
5.5.170.0070.01015.61
5.5.160.0060.01015.58
5.5.150.0110.00615.67
5.5.140.0130.00315.62
5.5.130.0120.00615.57
5.5.120.0080.00815.65
5.5.110.0070.01515.44
5.5.100.0110.00715.59
5.5.90.0100.00715.54
5.5.80.0060.00915.47
5.5.70.0090.00615.56
5.5.60.0060.00915.67
5.5.50.0060.00915.55
5.5.40.0070.01415.44
5.5.30.0100.01015.66
5.5.20.0140.00715.49
5.5.10.0120.00915.62
5.5.00.0030.01315.63
5.4.450.0750.02215.85
5.4.440.0560.02316.00
5.4.430.0530.02115.86
5.4.420.0260.02615.81
5.4.410.0150.02315.79
5.4.400.0200.01715.60
5.4.390.0750.03015.64
5.4.380.0080.03415.41
5.4.370.0140.02815.39
5.4.360.0050.03615.51
5.4.350.0100.03115.44
5.4.340.0100.02715.48
5.4.330.0030.00912.43
5.4.320.0090.01712.34
5.4.310.0070.02212.35
5.4.300.0050.02212.35
5.4.290.0030.02812.48
5.4.280.0110.02412.35
5.4.270.0090.03012.37
5.4.260.0060.03112.25
5.4.250.0070.02912.29
5.4.240.0090.02512.24
5.4.230.0100.02712.27
5.4.220.0050.02712.26
5.4.210.0090.02612.41
5.4.200.0090.02512.26
5.4.190.0090.02612.27
5.4.180.0140.02012.17
5.4.170.0050.02412.35
5.4.160.0070.02212.28
5.4.150.0100.01912.34
5.4.140.0080.02112.10
5.4.130.0060.02412.17
5.4.120.0060.02312.16
5.4.110.0070.02312.13
5.4.100.0100.02312.13
5.4.90.0100.02412.14
5.4.80.0080.02012.13
5.4.70.0110.01812.18
5.4.60.0070.01912.15
5.4.50.0040.02512.12
5.4.40.0070.02112.12
5.4.30.0060.02312.22
5.4.20.0070.03112.13
5.4.10.0080.02712.12
5.4.00.0060.02911.89
5.3.290.0040.02412.98
5.3.280.0110.03312.71
5.3.270.0060.03712.89
5.3.260.0070.03312.77
5.3.250.0080.02912.80
5.3.240.0050.03112.73
5.3.230.0060.02412.74
5.3.220.0050.02512.79
5.3.210.0110.02012.79
5.3.200.0080.02412.81
5.3.190.0110.01812.78
5.3.180.0050.02212.79
5.3.170.0060.02412.92
5.3.160.0070.02112.74
5.3.150.0070.02212.86
5.3.140.0080.02012.77
5.3.130.0050.02412.83
5.3.120.0060.02312.84
5.3.110.0020.02712.79
5.3.100.0060.02312.50
5.3.90.0070.02112.49
5.3.80.0060.02312.41
5.3.70.0050.02312.43
5.3.60.0110.01812.47
5.3.50.0060.02912.38
5.3.40.0070.03412.37
5.3.30.0050.02312.46
5.3.20.0040.02912.24
5.3.10.0090.02312.18
5.3.00.0010.02812.22
5.2.170.0060.02110.54
5.2.160.0060.02410.61
5.2.150.0090.02310.55
5.2.140.0100.02610.58
5.2.130.0100.02210.51
5.2.120.0030.02610.54
5.2.110.0060.02410.55
5.2.100.0080.02410.54
5.2.90.0060.02410.54
5.2.80.0050.02310.48
5.2.70.0050.02210.48
5.2.60.0050.02310.41
5.2.50.0040.02110.46
5.2.40.0070.02010.47
5.2.30.0040.02510.35
5.2.20.0070.02110.31
5.2.10.0040.02410.31
5.2.00.0100.01810.20
5.1.60.0040.0219.61
5.1.50.0080.0169.44
5.1.40.0070.0189.49
5.1.30.0090.0199.80
5.1.20.0020.0229.71
5.1.10.0040.0169.56
5.1.00.0040.0169.63
5.0.50.0040.0128.37
5.0.40.0020.0158.30
5.0.30.0040.0208.20
5.0.20.0020.0168.19
5.0.10.0040.0148.18
5.0.00.0070.0248.17
4.4.90.0030.0107.46
4.4.80.0040.0097.45
4.4.70.0040.0147.45
4.4.60.0040.0127.45
4.4.50.0020.0127.46
4.4.40.0040.0187.42
4.4.30.0010.0137.45
4.4.20.0030.0097.49
4.4.10.0040.0107.50
4.4.00.0040.0167.45
4.3.110.0050.0097.41
4.3.100.0060.0077.40
4.3.90.0030.0097.38
4.3.80.0040.0157.36
4.3.70.0030.0127.39
4.3.60.0060.0107.38
4.3.50.0050.0137.38
4.3.40.0030.0147.34
4.3.30.0020.0106.70
4.3.20.0010.0116.69
4.3.10.0030.0096.68
4.3.00.0030.00711.69

preferences:
62.8 ms | 400 KiB | 5 Q