3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = null; var_dump(0 === strlen($date));

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)
8.3.40.0070.00718.80
8.3.30.0070.00718.96
8.3.20.0070.00020.16
8.3.10.0040.00421.73
8.3.00.0000.00819.26
8.2.170.0100.00722.96
8.2.160.0070.00719.38
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.40
8.2.110.0030.00619.33
8.2.100.0120.00017.75
8.2.90.0060.00319.09
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0050.00318.07
8.2.40.0080.00019.94
8.2.30.0040.00418.00
8.2.20.0040.00417.69
8.2.10.0000.00717.89
8.2.00.0000.00817.48
8.1.270.0080.00020.60
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00623.92
8.1.230.0030.01017.42
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.11
8.1.190.0030.00617.22
8.1.180.0050.00218.10
8.1.170.0000.00820.38
8.1.160.0000.00721.93
8.1.150.0030.00518.81
8.1.140.0030.00517.38
8.1.130.0000.00717.68
8.1.120.0000.00717.45
8.1.110.0030.00317.41
8.1.100.0000.00717.25
8.1.90.0050.00317.36
8.1.80.0080.00017.34
8.1.70.0000.00717.36
8.1.60.0080.00017.50
8.1.50.0080.00017.44
8.1.40.0080.00517.34
8.1.30.0030.00617.41
8.1.20.0030.00617.46
8.1.10.0040.00417.38
8.1.00.0040.00417.34
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00318.32
8.0.270.0030.00317.05
8.0.260.0060.00017.18
8.0.250.0000.00716.78
8.0.240.0030.00316.75
8.0.230.0030.00316.87
8.0.220.0000.00716.79
8.0.210.0000.00716.82
8.0.200.0060.00016.80
8.0.190.0000.00816.77
8.0.180.0040.00316.87
8.0.170.0080.00016.70
8.0.160.0000.00716.80
8.0.150.0050.00216.79
8.0.140.0040.00416.76
8.0.130.0040.00413.18
8.0.120.0000.00716.80
8.0.110.0000.00816.77
8.0.100.0030.00516.70
8.0.90.0050.00316.69
8.0.80.0030.01216.77
8.0.70.0070.00016.64
8.0.60.0000.00816.88
8.0.50.0000.00716.70
8.0.30.0120.01216.91
8.0.20.0100.00917.40
8.0.10.0070.00016.95
8.0.00.0110.00816.71
7.4.330.0060.00015.03
7.4.320.0060.00016.48
7.4.300.0060.00016.48
7.4.290.0000.00716.39
7.4.280.0050.00216.62
7.4.270.0000.00616.54
7.4.260.0000.00716.61
7.4.250.0040.00416.45
7.4.240.0040.00316.47
7.4.230.0070.00016.61
7.4.220.0170.00616.48
7.4.210.0090.00916.58
7.4.200.0040.00416.48
7.4.160.0090.00616.41
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0100.00616.53
7.4.120.0090.00816.36
7.4.110.0130.01016.39
7.4.100.0180.00016.62
7.4.90.0170.00016.36
7.4.80.0100.00719.39
7.4.70.0100.00616.45
7.4.60.0160.00616.41
7.4.50.0050.00016.32
7.4.40.0150.00716.27
7.4.30.0090.01216.42
7.4.10.0060.01215.00
7.4.00.0090.00714.82
7.3.330.0050.00013.14
7.3.320.0130.00012.97
7.3.310.0030.00516.38
7.3.300.0040.00416.23
7.3.290.0000.00716.16
7.3.280.0070.01116.22
7.3.270.0130.00417.40
7.3.260.0070.01116.29
7.3.250.0080.01016.35
7.3.240.0080.00816.18
7.3.230.0100.00616.39
7.3.210.0120.00916.29
7.3.200.0170.00419.39
7.3.190.0120.00316.28
7.3.180.0040.01116.49
7.3.170.0070.01416.35
7.3.160.0090.00916.24
7.3.130.0030.01314.93
7.3.120.0060.01314.94
7.3.110.0090.00614.76
7.3.100.0000.01814.52
7.3.90.0070.01014.64
7.3.80.0030.00914.72
7.3.70.0000.01214.88
7.3.60.0070.00714.80
7.3.50.0040.01114.68
7.3.40.0070.00314.80
7.3.30.0070.00714.87
7.3.20.0100.00316.52
7.3.10.0060.00816.48
7.3.00.0080.00816.51
7.2.330.0090.00916.43
7.2.320.0030.01416.70
7.2.310.0100.00716.42
7.2.300.0120.00616.55
7.2.290.0070.01016.63
7.2.260.0150.00414.61
7.2.250.0100.00714.81
7.2.240.0060.00914.73
7.2.230.0100.00614.69
7.2.220.0090.00914.84
7.2.210.0060.00315.09
7.2.200.0060.00914.61
7.2.190.0060.00914.99
7.2.180.0050.00514.87
7.2.170.0060.01214.57
7.2.160.0030.01314.88
7.2.150.0040.01117.04
7.2.140.0030.00916.84
7.2.130.0040.00916.65
7.2.120.0070.00816.74
7.2.110.0060.00916.54
7.2.100.0060.00916.73
7.2.90.0090.00816.69
7.2.80.0140.00216.64
7.2.70.0070.00916.78
7.2.60.0080.01016.65
7.2.50.0100.00416.65
7.2.40.0060.00816.77
7.2.30.0110.00416.71
7.2.20.0090.00316.74
7.2.10.0080.00916.59
7.2.00.0080.00817.47
7.1.330.0120.00315.88
7.1.320.0030.01415.64
7.1.310.0030.01015.85
7.1.300.0090.00615.94
7.1.290.0070.00315.62
7.1.280.0090.00615.71
7.1.270.0000.01215.71
7.1.260.0040.00815.84
7.1.250.0110.00615.74
7.1.240.0070.00415.75
7.1.230.0120.00115.67
7.1.220.0100.00815.71
7.1.210.0060.00615.82
7.1.200.0100.00515.72
7.1.190.0060.00815.64
7.1.180.0140.00115.67
7.1.170.0000.00915.73
7.1.160.0050.00815.74
7.1.150.0060.00715.79
7.1.140.0070.00315.72
7.1.130.0070.00915.86
7.1.120.0120.00715.81
7.1.110.0110.00815.82
7.1.100.0040.01216.39
7.1.90.0130.00515.86
7.1.80.0040.01115.81
7.1.70.0080.00516.10
7.1.60.0110.00816.96
7.1.50.0040.01516.02
7.1.40.0090.00515.53
7.1.30.0130.00315.55
7.1.20.0050.00915.84
7.1.10.0070.00715.55
7.1.00.0070.02817.90
7.0.330.0100.00315.37
7.0.320.0050.01015.24
7.0.310.0080.00515.42
7.0.300.0050.00715.27
7.0.290.0100.00515.38
7.0.280.0100.00315.44
7.0.270.0050.00915.35
7.0.260.0150.00015.42
7.0.250.0080.00615.45
7.0.240.0100.00715.40
7.0.230.0100.00515.33
7.0.220.0090.00715.27
7.0.210.0080.00615.26
7.0.200.0300.00715.12
7.0.190.0060.00715.42
7.0.180.0100.00315.26
7.0.170.0040.01215.58
7.0.160.0050.01015.39
7.0.150.0100.00515.54
7.0.140.0080.02417.57
7.0.130.0090.00415.27
7.0.120.0090.00715.52
7.0.110.0060.00815.13
7.0.100.0090.00415.33
7.0.90.0090.00415.42
7.0.80.0060.00915.36
7.0.70.0060.00515.12
7.0.60.0070.02616.80
7.0.50.0050.02216.34
7.0.40.0070.02715.66
7.0.30.0220.01615.68
7.0.20.0150.03315.64
7.0.10.0180.02215.57
7.0.00.0090.03115.72
5.6.400.0030.00914.50
5.6.390.0090.00614.14
5.6.380.0110.00114.30
5.6.370.0030.00914.18
5.6.360.0060.00514.19
5.6.350.0070.00514.21
5.6.340.0020.00814.26
5.6.330.0120.00414.22
5.6.320.0050.00813.95
5.6.310.0050.00514.30
5.6.300.0030.00714.09
5.6.290.0050.00814.24
5.6.280.0040.02816.50
5.6.270.0040.00914.35
5.6.260.0070.00714.32
5.6.250.0050.00914.09
5.6.240.0030.01014.07
5.6.230.0050.00514.16
5.6.220.0060.00514.27
5.6.210.0060.03016.40
5.6.200.0080.02815.52
5.6.190.0090.02116.24
5.6.180.0090.02216.27
5.6.170.0200.02716.22
5.6.160.0040.02116.29
5.6.150.0020.02415.49
5.6.140.0080.02615.46
5.6.130.0060.02615.47
5.6.120.0060.02516.46
5.6.110.0060.03116.47
5.6.100.0060.03516.45
5.6.90.0060.03616.55
5.6.80.0060.03016.22
5.6.70.0150.02716.11
5.6.60.0060.00814.13
5.6.50.0030.01013.86
5.6.40.0100.00514.12
5.6.30.0070.00814.14
5.6.20.0080.00714.21
5.6.10.0060.00914.19
5.6.00.0100.00714.13
5.5.380.0040.00412.54
5.5.370.0040.00912.60
5.5.360.0060.00412.29
5.5.350.0110.02315.07
5.5.340.0040.01814.43
5.5.330.0020.03015.09
5.5.320.0060.01915.17
5.5.310.0110.02015.15
5.5.300.0050.03114.26
5.5.290.0030.02014.25
5.5.280.0040.02315.23
5.5.270.0070.02015.04
5.5.260.0030.03015.33
5.5.250.0040.01815.15
5.5.240.0060.03114.99
5.5.230.0040.00912.48
5.5.220.0040.00612.53
5.5.210.0060.00712.48
5.5.200.0090.00312.42
5.5.190.0070.00712.38
5.5.180.0050.00712.57
5.5.170.0040.00912.49
5.5.160.0060.00512.38
5.5.150.0060.00412.35
5.5.140.0040.00612.24
5.5.130.0060.00412.43
5.5.120.0030.00812.26
5.5.110.0080.00612.50
5.5.100.0050.00612.37
5.5.90.0020.00612.38
5.5.80.0100.00212.55
5.5.70.0030.01012.26
5.5.60.0000.00912.21
5.5.50.0070.00412.25
5.5.40.0050.00612.35
5.5.30.0030.00812.31
5.5.20.0080.00312.46
5.5.10.0040.00312.53
5.5.00.0070.00412.48
5.4.450.0320.02714.04
5.4.440.0230.02413.96
5.4.430.0360.02013.96
5.4.420.0330.02313.94
5.4.410.0080.02013.80
5.4.400.0140.02213.74
5.4.390.0110.02313.69
5.4.380.0160.02613.65
5.4.370.0120.02613.61
5.4.360.0150.02413.79
5.4.350.0130.01913.67
5.4.340.0090.02213.68
5.4.330.0050.00511.27
5.4.320.0070.02413.75
5.4.310.0070.02513.66
5.4.300.0090.02213.58
5.4.290.0130.01913.68
5.4.280.0180.01413.61
5.4.270.0040.02713.59
5.4.260.0150.01913.72
5.4.250.0110.02113.68
5.4.240.0160.01913.61
5.4.230.0130.02413.61
5.4.220.0120.02713.65
5.4.210.0090.02313.62
5.4.200.0070.02513.06
5.4.190.0120.02213.62
5.4.180.0110.02313.73
5.4.170.0120.02513.70
5.4.160.0080.02613.61
5.4.150.0130.02013.61
5.4.140.0090.02212.94
5.4.130.0130.02112.88
5.4.120.0170.01412.86
5.4.110.0130.02012.85
5.4.100.0070.02812.78
5.4.90.0110.02312.85
5.4.80.0170.01612.84
5.4.70.0100.02412.74
5.4.60.0100.02212.84
5.4.50.0090.02412.88
5.4.40.0120.02012.90
5.4.30.0150.02412.83
5.4.20.0120.02212.95
5.4.10.0060.02512.85
5.4.00.0100.02312.72
5.3.290.0180.03212.49
5.3.280.0170.03412.32
5.3.270.0130.03312.54
5.3.260.0180.02912.43
5.3.250.0120.03012.42
5.3.240.0070.03712.43
5.3.230.0180.02812.42
5.3.220.0080.03112.49
5.3.210.0100.03912.40
5.3.200.0160.02512.39
5.3.190.0120.03012.40
5.3.180.0120.03312.47
5.3.170.0210.02612.55
5.3.160.0170.02512.51
5.3.150.0160.02912.50
5.3.140.0180.03012.54
5.3.130.0100.03712.42
5.3.120.0170.03812.43
5.3.110.0120.03612.41
5.3.100.0120.03412.13
5.3.90.0130.02512.07
5.3.80.0050.03212.07
5.3.70.0140.02712.10
5.3.60.0130.02912.06
5.3.50.0110.03412.06
5.3.40.0160.03012.08
5.3.30.0170.03612.07
5.3.20.0170.03011.96
5.3.10.0190.02511.89
5.3.00.0220.02311.82
5.2.170.0120.02810.57
5.2.160.0080.02510.51
5.2.150.0110.02610.51
5.2.140.0120.02310.54
5.2.130.0070.02510.60
5.2.120.0130.02010.52
5.2.110.0150.02310.54
5.2.100.0170.02110.49
5.2.90.0100.02610.52
5.2.80.0070.02710.53
5.2.70.0130.02410.55
5.2.60.0160.02410.53
5.2.50.0100.02810.48
5.2.40.0120.02710.47
5.2.30.0130.03210.48
5.2.20.0100.02710.51
5.2.10.0160.01810.47
5.2.00.0100.02410.33
5.1.60.0070.02110.03
5.1.50.0100.0219.95
5.1.40.0080.0279.95
5.1.30.0160.02010.17
5.1.20.0120.02310.18
5.1.10.0170.01910.04
5.1.00.0110.0189.98
5.0.50.0020.0229.25
5.0.40.0070.0199.17
5.0.30.0060.0279.08
5.0.20.0060.0179.14
5.0.10.0090.0139.15
5.0.00.0050.0239.07
4.4.90.0090.0087.91
4.4.80.0030.0147.94
4.4.70.0000.0187.92
4.4.60.0030.0147.93
4.4.50.0050.0127.94
4.4.40.0070.0197.92
4.4.30.0030.0137.92
4.4.20.0100.0127.96
4.4.10.0040.0167.94
4.4.00.0060.0207.92
4.3.110.0070.0157.88
4.3.100.0070.0107.90
4.3.90.0070.0097.88
4.3.80.0020.0227.90
4.3.70.0030.0157.88
4.3.60.0050.0117.86
4.3.50.0030.0147.87
4.3.40.0070.0187.87
4.3.30.0030.0127.29
4.3.20.0050.0107.26
4.3.10.0030.0137.26
4.3.00.0080.0138.62

preferences:
41.54 ms | 400 KiB | 5 Q